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Term:
Parent Terms Term With Siblings Child Terms
(-)-Tylocrebrine 
(-)-vincadifformine 
(1R,5R,6S,11S,12R,14R)-22-[(1S)-1-Hydroxyethyl]-6,16-dimethyl-10,19-dioxa-16-azahexacyclo[12.5.3.15,9.01,14.02,11.06,11]tricosa-2,21-diene-9,12-diol 
(2R)-1-[(4,8-dimethoxy-7-furo[2,3-b]quinolinyl)oxy]-3-methylbutane-2,3-diol 
(3S,4R,5S)-5-methyl-2,3-diphenyl-4-isoxazolidinecarboxylic acid 
(3S,9aR)-3-benzyl-3,6,7,8,9,9a-hexahydro-2H-pyrido[1,2-a]pyrazine-1,4-dione 
(4aS),( 10bS)-7-amino-3,4,4a,5,6,10b-hexahydro-2,4-dimethyl-6-oxobenzo[f]quinoline 
(6Ar,9S,10aR)-9-(methylsulfanylmethyl)-7-propyl-6,6a,8,9,10,10a-hexahydro-4H-indolo[4,3-fg]quinoline 
(9S,11R)-12,12-dimethylspiro[1,7-diazatricyclo[7.5.0.03,7]tetradeca-3,13-diene-11,2'-1H-indole]-2,3',8-trione 
(R)-homocamptothecin +  
1,3-bis(2-ethylhexyl)-5-methyl-1,3-diazinan-5-amine  
1,4-Dihydrothieno[3,2-d]pyrimidin-4-one 
1-(2-furanylmethyl)-7,7-dimethyl-2-(4-methylphenyl)-5,8-dihydropyrano[4,3-d]pyrimidine-4-thione 
1-(4,7-dimethylpyrazolo[5,1-c][1,2,4]triazin-3-yl)ethan-1-one 
1-[(4-fluorophenyl)methyl]-3-(2-furanylmethyl)-4-imino-6,6-dimethyl-5,8-dihydropyrano[2,3]thieno[2,4-b]pyrimidin-2-one 
1-[(4As,5R,7S,8aR)-5-[[(1S,5S,9S,11R,13S,17R)-11,14-dimethyl-6,14-diazatetracyclo[7.6.2.02,7.013,17]heptadec-6-en-5-yl]methyl]-7-methyl-3,4,4a,5,6,7,8,8a-octahydro-2H-quinolin-1-yl]ethanone 
1-[(6-methoxy-2-furo[2,3-b]quinolinyl)-oxomethyl]-4-piperidinecarboxylic acid ethyl ester 
1-[2-(diethylamino)ethyl]-7,7-dimethyl-2-(4-methylphenyl)-5,8-dihydropyrano[4,3-d]pyrimidine-4-thione 
1-[2-[4-(4-methoxyphenyl)piperazin-1-yl]ethyl]-N-methyl-3,4-dihydro-1H-isochromene-6-carboxamide 
1-[4-[[2-(2-amino-5-pyrimidinyl)-7-methyl-4-(4-morpholinyl)-6-thieno[3,2-d]pyrimidinyl]methyl]-1-piperazinyl]-2-hydroxy-1-propanone 
1-[4-amino-3-[2-(1-pyrrolidinyl)ethylthio]-5-thieno[2,3-c]isothiazolyl]ethanone 
1-azakenpaullone 
11-Deoxytetrodotoxin 
17-O-acetylnorajmaline 
17a-Aza-D-homoandrost-5-en-3beta-ol 
2,3-dihydro-8-methoxyfuro(2,3-b)quinoline 
2,4-dimethyl-6-[(2,4,5-trifluorophenyl)methyl]-5-thieno[3,4]pyrrolo[1,3-d]pyridazinone 
2,4-dimethyl-6-phenyl-5-thieno[3,4]pyrrolo[1,3-d]pyridazinone 
2,5-dimethyl-4-(4-methyl-1-piperidinyl)-6-thieno[2,3-d]pyrimidinecarboxylic acid 
2,5-dimethyl-4-[[2-oxo-2-(4-phenylbutan-2-ylamino)ethyl]thio]-6-thieno[2,3-d]pyrimidinecarboxylic acid ethyl ester 
2,6,7,8-tetrahydrocyclopenta[2,3]thieno[2,4-d]pyrimidin-1-one 
2-(1,3-benzodioxol-5-ylmethylthio)-5-(2-furanyl)-3-prop-2-enyl-4-thieno[2,3-d]pyrimidinone 
2-(1,3-dimethyl-2-benzimidazolylidene)-4-[(6-ethyl-4-thieno[2,3-d]pyrimidinyl)thio]-3-oxobutanenitrile 
2-(1-hydroxyethyl)-3,4-dihydrobenzo[f][1,4]oxazepin-5(2H)-one 
2-(2-furanyl)-5,6,7,8-tetrahydro-3H-[1]benzothiolo[2,3-d]pyrimidin-4-one 
2-(2-furanyl)-5-[(2-methoxyphenyl)methylidene]-6-thiazolo[3,2-b][1,2,4]triazolone 
2-(3-methoxyphenyl)-3,5,6,7,8,9-hexahydrocyclohepta[2,3]thieno[2,4-b]pyrimidin-4-one 
2-(4-chlorophenyl)-5-methyl-4-oxo-2,3-dihydro-1H-thieno[3,4-d]pyrimidine-7-carboxylic acid ethyl ester 
2-(butylamino)-3-(3-chlorophenyl)-7-methyl-6,8-dihydro-5H-pyrido[2,3]thieno[2,4-b]pyrimidin-4-one 
2-(Methylthio)-4-(3-pyridyl)pyrimidine 
2-[(2-cyclopropyl-5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d]pyrimidin-4-yl)thio]-N-(2-furanylmethyl)acetamide 
2-[(2-ethyl-5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d]pyrimidin-4-yl)thio]-N-(2-furanylmethyl)acetamide 
2-[(3,5-dimethyl-4-isoxazolyl)methylthio]-3-prop-2-enyl-5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d]pyrimidin-4-one 
2-[(3,5-dimethyl-4-isoxazolyl)methylthio]-3-prop-2-enyl-6,7,8,9-tetrahydro-5H-cyclohepta[2,3]thieno[2,4-b]pyrimidin-4-one 
2-[(3,6-dimethyl-4-oxo-2-thieno[2,3-d]pyrimidinyl)thio]-N-(4-methylphenyl)acetamide 
2-[(3-ethyl-6-methyl-4-oxo-6,7-dihydrothieno[3,2-d]pyrimidin-2-yl)thio]-N-[5-(ethylthio)-1,3,4-thiadiazol-2-yl]acetamide 
2-[(3-ethyl-7-methyl-4-oxo-6,8-dihydro-5H-pyrido[2,3]thieno[2,4-b]pyrimidin-2-yl)thio]-N-(2-phenylethyl)acetamide 
2-[(4-amino-7-tert-butyl-5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d]pyrimidin-2-yl)thio]acetic acid 
2-[(5,6-dimethyl-2-propyl-4-thieno[2,3-d]pyrimidinyl)thio]-1-(2-methyl-2,3-dihydroindol-1-yl)ethanone 
2-[(5,6-dimethyl-4-oxo-3-phenyl-2-thieno[2,3-d]pyrimidinyl)thio]-N-(2-furanylmethyl)acetamide 
2-[(5,6-dimethyl-4-oxo-3H-thieno[2,3-d]pyrimidin-2-yl)thio]-N-(4-methyl-2-thiazolyl)acetamide 
2-[(5,6-dimethyl-4-thieno[2,3-d]pyrimidinyl)amino]-1-(4-nitrophenyl)ethanol 
2-[(7-methyl-4-oxo-3-phenyl-6,8-dihydro-5H-pyrido[2,3]thieno[2,4-b]pyrimidin-2-yl)thio]acetic acid methyl ester 
2-[2,4-dioxo-3-(2-phenylethyl)-5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d]pyrimidin-1-yl]acetamide 
2-[2-(dimethylamino)ethylthio]-6,6-dimethyl-5,8-dihydropyrano[4,5]thieno[1,2-c]pyrimidin-4-amine 
2-[3-(2-furanylmethyl)-2,4-dioxo-6,7,8,9-tetrahydro-5H-cyclohepta[2,3]thieno[2,4-b]pyrimidin-1-yl]acetamide 
2-[3-(2-furanylmethyl)-4-imino-6,6-dimethyl-2-oxo-5,8-dihydropyrano[2,3]thieno[2,4-b]pyrimidin-1-yl]-N-phenylacetamide 
2-[5-(3,4-dimethylphenyl)-4-oxo-3-thieno[2,3-d]pyrimidinyl]acetonitrile 
2-[[(1-ethyl-2-benzimidazolyl)thio]methyl]-5-methyl-4-oxo-3H-thieno[2,3-d]pyrimidine-6-carboxylic acid ethyl ester 
2-[[(2-chlorophenyl)thio]methyl]-5-methyl-4-oxo-3H-thieno[2,3-d]pyrimidine-6-carboxylic acid ethyl ester 
2-[[(6-methyl-5-oxo-2H-1,2,4-triazin-3-yl)thio]methyl]-5,6,7,8-tetrahydro-3H-[1]benzothiolo[2,3-d]pyrimidin-4-one 
2-[[2-(3,5-dimethyl-1-pyrazolyl)-6,6-dimethyl-5,8-dihydropyrano[2,3]thieno[2,4-b]pyrimidin-4-yl]thio]-N-(2-thiazolyl)acetamide 
2-[[3-(2-methoxyethyl)-6-methyl-4-oxo-6,7-dihydrothieno[3,2-d]pyrimidin-2-yl]thio]-N-(2-oxolanylmethyl)acetamide 
2-[[3-(4-methoxyphenyl)-4-oxo-6,7-dihydrothieno[3,2-d]pyrimidin-2-yl]thio]acetic acid ethyl ester 
2-[[3-(4-methylphenyl)-4-oxo-6,7-dihydrothieno[3,2-d]pyrimidin-2-yl]thio]-N-(2-thiazolyl)acetamide 
2-[[3-[2-(diethylamino)ethyl]-4-oxo-[1]benzothiolo[3,2-d]pyrimidin-2-yl]thio]-N-(phenylmethyl)acetamide 
2-[[3-[2-(dimethylamino)ethyl]-4-oxo-[1]benzothiolo[3,2-d]pyrimidin-2-yl]thio]-N-(3-methoxyphenyl)acetamide 
2-[[5-(4-methylphenyl)-3-thiazolo[2,3-c][1,2,4]triazolyl]thio]-N-(6-methyl-2-pyridinyl)acetamide 
2-[[6,6-dimethyl-2-(propan-2-ylthio)-5,8-dihydropyrano[2,3]thieno[2,4-b]pyrimidin-4-yl]thio]-N-(2-furanylmethyl)acetamide 
2-[[[2-[(5-methoxycarbonyl-2-furanyl)methoxy]-2-oxoethyl]thio]methyl]-5-methyl-4-oxo-3H-thieno[2,3-d]pyrimidine-6-carboxylic acid ethyl ester 
2-[[[4-cyclohexyl-5-(thiophen-2-ylmethyl)-1,2,4-triazol-3-yl]thio]methyl]-5,6-dimethyl-3H-thieno[2,3-d]pyrimidin-4-one 
2-bromo-6-[(2,4-difluorophenyl)methyl]-4-methyl-5-thieno[3,4]pyrrolo[1,3-d]pyridazinone 
2-bromo-6-[(2-chloro-6-fluorophenyl)methyl]-4-methyl-5-thieno[3,4]pyrrolo[1,3-d]pyridazinone 
2-chloro-6-(1,4-thiazinan-4-yl)benzonitrile 
2-chloro-N-(2-ethyl-4-oxo-5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d]pyrimidin-3-yl)acetamide 
2-Dechloroethylifosfamide  
2-furanyl-[4-[(6-hydroxy-2-methyl-5-thiazolo[3,2-b][1,2,4]triazolyl)-thiophen-2-ylmethyl]-1-piperazinyl]methanone 
2-methyl-1,2,3,4,10,14b-hexahydropyrazino[2,1-a]pyrido[2,3-c][2]benzazepin-8-yl L-glucopyranosiduronic acid 
2-methyl-2,3,4,5-tetrahydro-1,5-benzoxazepin-4-one 
2-methyl-4-[2-oxo-2-(2-phenylethylamino)ethyl]-5-thieno[3,2-b]pyrrolecarboxylic acid ethyl ester 
2-methyl-5-(5-methyl-2-furanyl)-3-(1-pyrrolyl)-4-thieno[2,3-d]pyrimidinone 
2-pyridin-4-yl-1H-quinazolin-4-one 
2-sulfanyl-2,3-dihydro-1H-pyrimidin-4-one 
3,4-dihydro-2H-pyrano[2,3-b]quinolin-7-yl-(4-methoxycyclohexyl)methanone 
3,5-dimethyl-4-[[(5-phenyl-3-thiazolo[2,3-c][1,2,4]triazolyl)thio]methyl]isoxazole 
3,7-dimethyl-2-(methylthio)-5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d]pyrimidin-4-one 
3,8-dimethyl-4-oxo-7,8,9,10-tetrahydro-6H-thieno[1,2]pyrimido[4,5-a]azepine-2-carboxylic acid ethyl ester 
3-(2,4-dioxo-1H-thieno[3,2-d]pyrimidin-3-yl)-N-(3-fluoro-4-methylphenyl)propanamide 
3-(2-furanylmethyl)-5,6-dimethyl-2-[(3-methylphenyl)methylthio]-4-thieno[2,3-d]pyrimidinone 
3-(2-pyridinyl)-6-(2-pyridinylmethylthio)pyridazine 
3-(4-methoxyphenyl)-6-phenyl-4-thieno[2,3-d]pyrimidinone 
3-(phenylmethyl)-2-sulfanylidene-1H-thieno[3,2-d]pyrimidin-4-one 
3-(Tert-butyl)-4,5-dihydro-1H-pyrazol-5-one 
3-[(2,5,6-trimethyl-4-thieno[2,3-d]pyrimidinyl)thio]-2-oxolanone 
3-[(4-methoxyphenyl)methylideneamino]-2,5,6-trimethyl-4-thieno[2,3-d]pyrimidinone 
3-[(6aR,9R)-7-methyl-6,6a,8,9-tetrahydro-4H-indolo[4,3-fg]quinoline-9-yl]-1,1-diethylurea 
3-[(6aR,9R,10aR)-7-methyl-6,6a,8,9,10,10a-hexahydro-4H-indolo[4,3-fg]quinoline-9-yl]-1,1-diethylurea 
3-[[2-(2-pyridinyl)-6-(1,2,4,5-tetrahydro-3-benzazepin-3-yl)-4-pyrimidinyl]amino]propanoic acid 
3-[[2-(2-pyridinyl)-6-(1,2,4,5-tetrahydro-3-benzazepin-3-yl)-4-pyrimidinyl]amino]propanoic acid ethyl ester 
3-[[2-(3,5-dimethyl-1-pyrazolyl)-5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d]pyrimidin-4-yl]amino]-1-propanol 
3-[[2-(3-pyridinyl)-6-(1,2,4,5-tetrahydro-3-benzazepin-3-yl)-4-pyrimidinyl]amino]propanoic acid 
3-amino-2-(4-methylphenyl)-5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d]pyrimidin-4-one 
3-cyclohexyl-2-hydrazinyl-7-(phenylmethyl)-6,8-dihydro-5H-pyrido[2,3]thieno[2,4-b]pyrimidin-4-one 
3-ethyl-5-methyl-4-oxo-6-thieno[2,3-d]pyrimidinecarboxylic acid 
3-methyl-6-thiophen-2-yl-4-isoxazolo[5,4-b]pyridinecarboxylic acid ethyl ester 
3-methyl-N-[(4-methylphenyl)methyl]-7,8-dihydro-6H-cyclopenta[4,5]thieno[1,2-c]pyrimidin-1-amine 
3-prop-2-enyl-2-sulfanylidene-5,6,7,8-tetrahydro-1H-[1]benzothiolo[2,3-d]pyrimidin-4-one 
4,11-Dichloro-5,12-dihydroquino[2,3-b]acridine-7,14-dione 
4,5-dimethyl-2-[[2-(6-methyl-4-oxo-5-phenyl-3-thieno[2,3-d]pyrimidinyl)-1-oxoethyl]amino]-3-thiophenecarboxylic acid ethyl ester 
4,7-dimethylpyrazolo[5,1-c][1,2,4]triazine-3-carbonitrile 
4-(1-benzimidazolyl)-5-(4-methylphenyl)thieno[2,3-d]pyrimidine 
4-(1-benzotriazolyl)-5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d]pyrimidine 
4-(2,6-dimethylphenoxy)-5-methoxy-2-(2-pyridinyl)pyrimidine 
4-(2-chlorophenoxy)-2-(2-pyridinyl)-6-(trifluoromethyl)pyrimidine 
4-(2-chlorophenoxy)-5-methoxy-2-(2-pyridinyl)pyrimidine 
4-(4-methoxyanilino)-2,5-dimethyl-6-thieno[2,3-d]pyrimidinecarboxylic acid ethyl ester 
4-(4-methyl-1-piperidinyl)-5-phenyl-2-(3-pyridinyl)thieno[2,3-d]pyrimidine 
4-(4-phenoxy-1-piperidinyl)thieno[2,3-d]pyrimidine 
4-(5,6-dimethyl-1-benzimidazolyl)-5-phenylthieno[2,3-d]pyrimidine 
4-(7-methyl-5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d]pyrimidin-4-yl)morpholine 
4-[(2,6-dichlorophenyl)thio]-5-methoxy-2-(2-pyridinyl)pyrimidine 
4-[(4-chloro-1-naphthalenyl)oxy]-5-methoxy-2-(2-pyridinyl)pyrimidine 
4-[(7,8-dihydro-6H-cyclopenta[4,5]thieno[1,2-c]pyrimidin-1-ylhydrazo)methylidene]-2-methoxy-1-cyclohexa-2,5-dienone 
4-[1-oxo-6-(4-oxo-2-sulfanylidene-1H-thieno[3,2-d]pyrimidin-3-yl)hexyl]-1-piperazinecarboxylic acid ethyl ester 
4-[2-[(2-ethoxy-2-oxoethyl)thio]-4-oxo-3-thieno[3,2-d]pyrimidinyl]-1-piperidinecarboxylic acid ethyl ester 
4-[2-[(4-fluorophenyl)methylamino]-2-oxoethyl]-2-methyl-5-thieno[3,2-b]pyrrolecarboxylic acid ethyl ester 
4-[3-(2,4-dioxo-1H-thieno[3,2-d]pyrimidin-3-yl)-1-oxopropyl]-1-piperazinecarboxylic acid ethyl ester 
4-[5-chloro-6-methyl-2-(2-pyridinyl)-4-pyrimidinyl]morpholine 
4-[[2-(dimethylamino)-2-thiophen-2-ylethyl]amino]-5-methyl-6-thieno[2,3-d]pyrimidinecarboxylic acid ethyl ester 
4-[[2-[(1,1-dioxo-3-thiolanyl)amino]-2-oxoethyl]thio]-2,5-dimethyl-6-thieno[2,3-d]pyrimidinecarboxylic acid ethyl ester 
4-[[5-(4-fluorophenyl)-3-methyl-4-oxo-2-thieno[2,3-d]pyrimidinyl]thio]-2-(1-iminoethyl)-3-oxobutanenitrile 
4-[oxo-(4-oxo-5H-thieno[3,2-c]quinolin-2-yl)methyl]-1-piperazinecarboxylic acid ethyl ester 
4-amino-7,8,9,10-tetrahydro-6H-pyrimido[3,4]pyrrolo[3,5-a]azepine-11-carbonitrile 
4-chloro-N-(3,4-dimethoxyphenyl)-2-thieno[3,2-c]quinolinecarboxamide 
4-chloro-N-[3-(3-methyl-1-piperidinyl)propyl]-2-thieno[3,2-c]quinolinecarboxamide 
4-Chlorothieno[2,3-d]pyrimidine 
4-ethoxy-7,9-dimethylpyrido[3',2':4,5]thieno[3,2-d]pyrimidine 
4-hydroxy-6-propan-2-ylpyrano[3,2-c]quinoline-2,5-dione 
4-methoxybenzaldehyde n-[6-(tert-butyl)thieno[3,2-d]pyrimidin-4-yl]hydrazone 
4-Methyl-4H-thieno[3,2-b]pyrrole-5-carboxylic acid 
4-methyl-5-thieno[3,2-b]pyrrolecarboxylic acid [1-oxo-1-(2-phenylethylamino)propan-2-yl] ester 
4-methyl-5-thieno[3,2-b]pyrrolecarboxylic acid [2-oxo-2-(thiophen-2-ylmethylamino)ethyl] ester 
4-methyl-6-[(4-methylphenyl)thio]-2-(2-pyridyl)pyrimidine 
4-methyl-N-[(4-methylphenyl)methyl]-2-furo[3,2-c]quinolinecarboxamide 
4-sulfanylidene-1,6,7,8,9,10-hexahydropyrimido[3,4]pyrrolo[3,5-a]azepine-11-carbonitrile 
5,6-dimethyl-2-(prop-2-enylthio)-4-thieno[2,3-d]pyrimidinamine 
5,6-dimethyl-N-(3-pyridinylmethyl)-4-thieno[2,3-d]pyrimidinamine 
5,6-dimethyl-N-(thiophen-2-ylmethyl)-4-thieno[2,3-d]pyrimidinamine 
5,6-dimethyl-N-[2-methyl-2-(4-morpholinyl)propyl]-4-thieno[2,3-d]pyrimidinamine 
5,7-Dihydro-2-methylthieno[3,4-d]pyrimidine 
5-(1-phenyl-5-tetrazolyl)-2-pyridin-4-yl-4-thiophen-2-ylpyrimidine 
5-(2-chlorophenyl)-2-(2-pyridinylmethyl)-3H-thieno[2,3-d]pyrimidin-4-one 
5-(4-chlorophenyl)-3-[(5-nitro-6-oxo-1-cyclohexa-2,4-dienylidene)methylamino]-4-thieno[2,3-d]pyrimidinone 
5-(4-chlorophenyl)-3H-thieno[2,3-d]pyrimidine-4-thione 
5-[2-furanyl(4-morpholinyl)methyl]-2-methyl-6-thiazolo[3,2-b][1,2,4]triazolol 
5-[2-furanyl(4-morpholinyl)methyl]-6-thiazolo[3,2-b][1,2,4]triazolol 
5-[[(5,6-dimethyl-4-thieno[2,3-d]pyrimidinyl)thio]methyl]-2-furancarboxylic acid methyl ester 
5-amino-3-(2-methylphenyl)-4-oxo-1-thieno[3,4-d]pyridazinecarboxylic acid ethyl ester 
5-amino-4-oxo-3-phenyl-1-thieno[3,4-d]pyridazinecarboxylic acid 
5-bromo-3-pyridinecarboxylic acid (10a-methoxy-4,7-dimethyl-6a,8,9,10-tetrahydro-6H-indolo[4,3-fg]quinoline-9-yl)methyl ester 
5-bromo-3-pyridinecarboxylic acid [(6aS,9R,10aS)-10a-methoxy-4,7-dimethyl-6a,8,9,10-tetrahydro-6H-indolo[4,3-fg]quinoline-9-yl]methyl ester 
5-ethyl-4-oxo-N-(thiophen-2-ylmethyl)-2-thieno[3,2-c]quinolinecarboxamide 
5-methyl-6-phenyl-3H-thieno[2,3-d]pyrimidine-4-thione 
6,6-dimethyl-5,8-dihydropyrano[4,5]thieno[1,2-c]pyrimidin-4-amine 
6-(tert-butyl)thieno[3,2-d]pyrimidin-4(3H)-one 
6-[(2,4-difluorophenyl)methyl]-2,4-dimethyl-5-thieno[3,4]pyrrolo[1,3-d]pyridazinone 
6-[(2,5-difluorophenyl)methyl]-2,4-dimethyl-5-thieno[3,4]pyrrolo[1,3-d]pyridazinone 
6-[(2-fluorophenyl)methyl]-2,4-dimethyl-5-thieno[3,4]pyrrolo[1,3-d]pyridazinone 
6-[(2-fluorophenyl)methyl]-2-(1-hydroxyethyl)-4-methyl-5-thieno[3,4]pyrrolo[1,3-d]pyridazinone 
6-[(3-aminophenyl)methyl]-4-methyl-2-methylsulfinyl-5-thieno[3,4]pyrrolo[1,3-d]pyridazinone 
6-[(3-methoxyphenyl)methyl]-4-methyl-2-methylsulfinyl-5-thieno[3,4]pyrrolo[1,3-d]pyridazinone 
6-[(4-fluorophenyl)methyl]-5,7-dimethyl-2H-pyrrolo[3,4-d]pyridazin-1-one 
6-[(6-chloro-2-fluoro-3-methylphenyl)methyl]-2,4-dimethyl-5-thieno[3,4]pyrrolo[1,3-d]pyridazinone 
6-ethyl-2-methyl-N-(phenylmethyl)-4-thieno[2,3-d]pyrimidinamine 
6-ethyl-6-methyl-5,8-dihydro-1H-thiopyrano[2,3]thieno[2,4-b]pyrimidine-2,4-dione 
6-methoxy-4-methylbenzo[g]quinoline-2,5,10(1H)-trione 
6-methoxy-N-(thiophen-2-ylmethyl)-2-furo[2,3-b]quinolinecarboxamide 
6-methyl-12-indolo[1,2-c]quinazolinamine 
6-methyl-2,3,4,5-tetrahydro-1H-azepino[4,5-b]indole 
6-oxo-1,6-dihydrodibenzo[cd,g]indazole-3-sulfonic acid 
6h-thieno[3,2-f][1,2,4]triazolo[4,3-a][1,4]diazepine-6-acetamide, 4-(4-chlorophenyl)-n-(4-hydroxyphenyl)-2,3,9-trimethyl-, (6s)- 
7'-amino-1',3'-dimethyl-2,2',4'-trioxo-6'-spiro[1H-indole-3,5'-pyrano[2,3-d]pyrimidine]carbonitrile 
7,9-dimethyl-2-(phenylmethylthio)-1H-pyrido[2,3]thieno[2,4-b]pyrimidin-4-one 
7-amino-5-(4-ethoxy-3-methoxyphenyl)-4-oxo-3,5-dihydropyrano[2,3-d]pyrimidine-6-carbonitrile 
7-ethyl-7-methyl-2-sulfanylidene-6,9-dihydro-1H-pyrano[2,3]thieno[2,4-b]pyrimidin-4-one 
7-methoxy-N-(3-pyridinylmethyl)-2-furo[2,3-b]quinolinecarboxamide 
7-methyl-2-(trifluoromethyl)-6H-pyrazolo[1,5-a][1,3,5]triazin-4-one 
7-Methyl-3,4-dihydrothieno[3,2-d]pyrimidin-4-one 
8,10-dimethyl-4-(2-methylphenyl)-1,3-dihydropyrido[2,3]thieno[2,4-d][1,4]diazepine-2,5-dione 
8-amino-2,12-dihydroxy-4a,9-dihydro[1,3,2]dioxaphosphinino[4',5':5,6]pyrano[3,2-g]pteridin-10(4H)-one 2-oxide 
8-azido-5-methyl-6-oxo-4H-imidazo[1,5-a][1,4]benzodiazepine-3-carboxylic acid ethyl ester 
8-hydroxymirtazapine 
8-methyl-4-oxo-N-[3-(4-propyl-1-piperazinyl)propyl]-5H-thieno[3,2-c]quinoline-2-carboxamide 
9-(dimethylamino)-3-(4-methoxyphenyl)-4-pyrido[1,2]thieno[3,4-d]pyrimidinone 
9-ethyl-1,2,4,5-tetrazaspiro[5.5]undecane-3-thione 
9-HYDROXY-4-PHENYLPYRROLO[3,4-C]CARBAZOLE-1,3(2H,6H)-DIONE 
9-hydroxyellipticine  
9-Methoxy-2,2-dimethyl-6H-pyrano[3,2-c]quinolin-5-one 
[1-(4-thieno[2,3-d]pyrimidinyl)-4-piperidinyl]-thiophen-2-ylmethanone 
[4-(1,3-benzodioxol-5-ylmethyl)-1-piperazinyl]-(7-methoxy-2-furo[2,3-b]quinolinyl)methanone 
[4-[2-(3-chlorophenyl)-5-(3-pyridinyl)-7-pyrazolo[1,5-a]pyrimidinyl]-1-piperazinyl]-(3-furanyl)methanone 
[5,6-dimethyl-3-(pyridin-4-ylmethyl)-2,4-dihydrothieno[2,3-d]pyrimidin-1-yl]-(2-furanyl)methanone 
Abikoviromycin 
acesulfame 
acetic acid [1-[(4,8-dimethoxy-7-furo[2,3-b]quinolinyl)oxy]-3-hydroxy-3-methylbutan-2-yl] ester 
AFN911 
anthrapyrazole +   
Asperidine C 
Aspertryptanthrin A 
Aspertryptanthrin B 
Aurachin F 
Aurachin K 
Aurachin L 
Austamide 
Awajanomycin 
azaarene +   
azabicycloalkane +   
azabicycloalkene +   
azacycloalkane +   
azaspiro compound +   
azatetracycloalkane +   
azatricycloalkane +  
azepanes +   
azepine +   
azepinoindole +   
azetidines +   
Azetidomonamide A 
aziridines +   
aziridinium ion +  
azirinopyrroloindole +   
azocanes +   
azole +   
Balfourodine 
Balfourodinium 
Batrachotoxinin A 
BE-54238A 
BE-54238B 
bentazepam 
Benz[a]acridine  
Benz[c]acridine  
benzazepine +   
benzazocine +   
benzimidazoles +   
benzo[d]isothiazol-3-one  
benzocycloheptapyridine +   
benzodiazepine +   
benzofuropyrimidine +  
benzoimidazothiazole +   
benzoindole +   
benzoisoquinoline +   
benzophenanthridine +   
benzopteridine +   
benzopyridine 
benzopyridoquinolizidine derivative +  
benzopyrrole +   
benzopyrrolopteridine +  
benzoquinolizine +   
benzoselenazole +   
benzothiadiazole +   
benzothiazepine +   
benzothiazine +   
benzothiazoles +   
benzothienopyrimidine +  
benzotriazines +   
benzotriazoles +   
benzoxadiazole +   
benzoxazine +   
benzoxazocine +   
benzoxazole +   
bicyclic nitroimidazole +  
Bioxalomycin alpha1 
Bioxalomycin alpha2 
Bipolamine D 
Bipolamine E 
Bipolamine F 
Bipolamine G 
Bipolamine H 
Bipolamine I 
bipyridines +   
bisindole +   
bisoxazole +  
Burnettramic acid A aglycone 
calycanthidine +  
calycanthine 
carbacephem +  
carbapenems +   
cassameridine 
cephams +  
cephem +   
Chloroaustralasine B 
cinnolines +   
CJ-16,264 
cladoniamide derivative 
Clipibicyclene 
Codopiloic acid 
crown amine +   
cryptolepine  
Curindolizine 
Curvulamine 
Cyanocycline C 
Cybastacine A 
Cyclo-(D-Pipecolinyl-L-isoleucine) 
cyclobutadipyrimidine +  
Cyclocarbamide A 
Cyclocarbamide B 
cyclopentaimidazothiazole +  
cyclopentapyridine +   
cyclopentapyrimidine +  
cyclopentapyrrole +   
cylindrospermopsins +   
diazaborine +  
diazaborine derivative 
diazepane +   
diazepine +   
diazepinoindole +   
diazines +   
diazolidine +   
diazoline +   
Dibenz[a,h]acridine 
Dibenz[a,j]acridine  
Dibenz[c,h]acridine  
dibenzazecine +   
dibenzoazepine +   
dibenzonaphthyridine +  
dibenzopyridine +   
dibenzopyrrole +   
dibenzoquinolizine +   
dibenzothiazepine +   
Dictamnine  
diflomotecan 
Dihydro-2,4,6-tris(2-methylpropyl)-4h-1,3,5-dithiazine 
Dihydro-2,4-dimethyl-6-(1-methylpropyl)-4H-1,3,5-dithiazine 
Dihydro-4,6-dimethyl-2-(1-methylethyl)-4H-1,3,5-dithiazine 
Dihydro-6-isopropyl-2,4-dimethyl-4H-1,3,5-dithiazine 
dioxazine +   
dipymetitrone 
dipyridodiazepine +   
dithiolopyrrole +  
dithioloquinoxaline +   
Dubinidine 
ellipticine  
Ethidimuron 
ethyl 4-hydroxy-3-methylisoxazolo[5,4-b]pyridine-5-carboxylate 
ethyl 5-amino-1-thieno[2,3-d]pyrimidin-4-yl-1H-4-pyrazolecarboxylate 
Euvesperin A 
Evoxine 
fleephilone 
Flindersiamine 
Flindersine 
folicanthine +  
Fumigatoside E 
fumiquinazoline +  
furopyridazine +  
furopyridine +  
furopyrimidine +  
furopyrrole +  
gamma-Fagarine 
gilvusmycin 
gisadenafil 
Glycoperine 
Haplodimerine 
Haplopine 
heptaazaphenalene +  
Heronamide A 
Heronamide D 
Heteratisine 
imidazobenzazepine +  
imidazodiazepine +   
Imidazol-2-one 
imidazolinone +  
imidazooxazine +  
imidazopurine +   
imidazopyrazine +   
imidazopyrazole +   
imidazopyridazine +   
imidazopyridine +   
imidazopyrimidine +   
imidazopyrimidopyrimidine +  
imidazoquinazoline +   
imidazoquinoline +   
imidazoquinoxaline +   
imidazotetrazine +   
imidazothiadiazine +  
imidazothiazole +   
imidazotriazine +   
indazoles +   
indenopyrazole +  
indolizines +   
indolobenzazepine +   
indoloquinoline +  
Isodictamnine 
isoquinolines +   
isoxazoline +  
Israpafant 
Izonsteride 
karakoline 
Kobutimycin A 
Kobutimycin B 
Kokusaginine  
lactam +   
Lasiodipline F 
Latumcidin 
Lemobiline 
Lepadin D 
lergotrile 
LSM-16990 
LSM-17286 
LSM-1859 
LSM-1903 
LSM-19637 
LSM-19776 
LSM-22688 
LSM-24412 
LSM-2613 
LSM-5894 
LSM-6326 
LSM-6333 
LSM-6732 
lucidine B +  
Luciduline 
Lunacrine 
Lysergene 
Maculine 
Maculosidine 
Maculosine 
Malabetaezindole A 
Malabetaezindole B 
Marcfortine A 
Mirtazapine-N-oxide 
molybdopterin synthase intermediate 
morphinane-like compound +   
N'-[6-(tert-butyl)thieno[3,2-d]pyrimidin-4-yl]-4-methylbenzohydrazide 
N,6-diphenylthieno[2,3-d]pyrimidin-4-amine 
N,8-dimethyl-N-(3-methylphenyl)-4-oxo-5H-thieno[3,2-c]quinoline-2-carboxamide 
N,N-dimethyl-N'-(2-methyl-4-oxo-6-phenyl-3-thieno[2,3-d]pyrimidinyl)methanimidamide 
N-(1,3-benzodioxol-5-yl)-2-[[3-(2-methoxyphenyl)-4-oxo-6,7-dihydrothieno[3,2-d]pyrimidin-2-yl]thio]acetamide 
N-(1,3-benzodioxol-5-yl)-2-[[6-methyl-4-oxo-3-(phenylmethyl)-6,7-dihydrothieno[3,2-d]pyrimidin-2-yl]thio]acetamide 
N-(1,3-benzodioxol-5-yl)-3-ethyl-5-methyl-4-oxo-6-thieno[2,3-d]pyrimidinecarboxamide 
N-(2-furanylmethyl)-2-(4-oxo-6-phenyl-3-thieno[2,3-d]pyrimidinyl)acetamide 
N-(2-furanylmethyl)-2-(6,7,8,9-tetrahydro-5H-cyclohepta[2,3]thieno[2,4-d]pyrimidin-4-ylthio)acetamide 
N-(2-furanylmethyl)-2-[[4-oxo-3-[3-(1-pyrrolidinyl)propyl]-[1]benzothiolo[3,2-d]pyrimidin-2-yl]thio]acetamide 
N-(2-furanylmethyl)-3-methyl-7,8-dihydro-6H-cyclopenta[4,5]thieno[1,2-c]pyrimidin-1-amine 
N-(3-hydroxypropyl)-4-[(1-oxo-2,6,7,8-tetrahydrocyclopenta[2,3]thieno[2,4-b]pyrimidin-3-yl)thio]butanamide 
N-(4-bromophenyl)-3,4,5,6-tetrahydrophthalimide 
N-(4-chlorophenyl)-2-[3-(2-furanylmethyl)-4-imino-6,6-dimethyl-2-oxo-5,8-dihydropyrano[2,3]thieno[2,4-b]pyrimidin-1-yl]acetamide 
N-(4-ethoxyphenyl)-2-[(6-phenyl-4-thieno[2,3-d]pyrimidinyl)thio]propanamide 
N-(5-chloro-2-methoxyphenyl)-2-[[3-(2-methoxyethyl)-6-methyl-4-oxo-6,7-dihydrothieno[3,2-d]pyrimidin-2-yl]thio]acetamide 
N-(5-methyl-3-isoxazolyl)-2-[(6-methyl-4-oxo-3-phenyl-6,7-dihydrothieno[3,2-d]pyrimidin-2-yl)thio]acetamide 
N-(6-methyl-1,3-benzothiazol-2-yl)-2-[(4-oxo-3-phenyl-6,7-dihydrothieno[3,2-d]pyrimidin-2-yl)thio]acetamide 
N-(7-methyl-2,5-dioxo-4,4a,6,10b-tetrahydro-3H-pyrano[3,2-c]quinolin-3-yl)propanamide 
N-[(4,7-dimethyl-6,6a,8,9,10,10a-hexahydroindolo[4,3-fg]quinoline-9-yl)methyl]carbamic acid (phenylmethyl) ester 
N-[(4-chlorophenyl)methoxy]-N'-(4-thieno[2,3-d]pyrimidinyl)methanimidamide 
N-[(4-ethoxy-3-methoxyphenyl)methyl]-N-methyl-2-(3-pyridinyl)-4-quinazolinamine 
N-[(4-methylphenyl)methyl]-2-(2-pyridinyl)-4-(trifluoromethyl)-5-pyrimidinecarboxamide 
N-[2-(3,4-diethoxyphenyl)ethyl]-4-(phenylmethyl)-5-thieno[3,2-b]pyrrolecarboxamide 
N-[2-(3,4-diethoxyphenyl)ethyl]-4-[(3-methylphenyl)methyl]-5-thieno[3,2-b]pyrrolecarboxamide 
N-[2-(dipropylamino)ethyl]-4-methyl-2-furo[3,2-c]quinolinecarboxamide 
N-[2-(dipropylamino)ethyl]-5-ethyl-4-oxo-2-thieno[3,2-c]quinolinecarboxamide 
N-[3-(3,5-dimethyl-1-piperidinyl)propyl]-1-(9-fluoro-[1]benzothiolo[3,2-d]pyrimidin-4-yl)-4-piperidinecarboxamide 
N-[3-(4-morpholinyl)propyl]-3-(3-pyridinyl)-7,8-dihydro-6H-cyclopenta[4,5]thieno[1,2-c]pyrimidin-1-amine 
N-[3-[butyl(ethyl)amino]propyl]-1-(9-fluoro-[1]benzothiolo[3,2-d]pyrimidin-4-yl)-4-piperidinecarboxamide 
N-[5-(ethylthio)-1,3,4-thiadiazol-2-yl]-2-[[3-(2-methoxyphenyl)-4-oxo-6,7-dihydrothieno[3,2-d]pyrimidin-2-yl]thio]acetamide 
N-[5-[6-(3-chloroanilino)-4-pyrimidinyl]-2-pyridinyl]-N',N'-dimethylpropane-1,3-diamine 
N-[6-ethyl-6-methyl-2-(methylthio)-5,8-dihydropyrano[4,5]thieno[1,2-c]pyrimidin-4-yl]-N',N'-dimethylethane-1,2-diamine 
N-[[4-(dimethylamino)phenyl]methyl]-3-ethyl-N-(2-furanylmethyl)-5-methyl-4-oxo-6-thieno[2,3-d]pyrimidinecarboxamide 
N-Acetoxymethylflindersine 
N-cyclohexyl-2-[[6-(2-pyridinyl)-3-pyridazinyl]thio]acetamide 
N-cyclohexyl-6-methyl-4-thieno[2,3-d]pyrimidinamine 
N-cyclohexyl-N,4-dimethyl-5-thieno[3,2-b]pyrrolecarboxamide 
N-cyclopentyl-2-[[6-(2-pyridinyl)-3-pyridazinyl]thio]acetamide 
N-Methylflindersine 
N-Nitrosothialdine 
N-pyridin-4-yl-7,8-dihydro-6H-cyclopenta[4,5]thieno[1,2-c]pyrimidin-1-amine 
N1-[6-hydroxy-2-(2-pyridyl)pyrimidin-4-yl]acetamide 
N4-isopropyl-7-methylthieno[3,2-d]pyrimidin-4-amine 
naphthoimidazole +  
naphthothiazole +  
naphthyridine +   
naphthyridine derivative +   
Nicergoline 
Nigellicine 
Nigellidine 
Nocarazepine A 
Nocarditriene 
norajmaline +  
nucleobase +   
That part of DNA or RNA that may be involved in pairing.
O-Methylptelefolonium 
organonitrogen heterocyclic antibiotic +   
Outovirin A 
oxacephem +  
oxadiazane +   
oxadiazole +   
oxadiazolidine +  
oxadiazoloquinoxaline +   
oxathiocane +  
oxazinane +   
oxazolidines +   
oxazolopyrazine +  
oxazolopyridine +   
oxazolopyrimidine +  
oxolucidine B 
PD-146176 
penams +   
Penibruguieramine A 
Penicillactam 
Penigainamide B 
Penigainamide C 
Penochalasin I 
Penochalasin K 
pentetrazol  
perimidines +  
Peroxysimulenoline 
PF1018 
phenanthrolines +   
phenazines +   
Phlegmarine 
phthalazines +   
PI3-Kinase alpha Inhibitor 2 
piperazines +   
piperidines +   
Platydesmine 
Platydesminium 
polypyrrane +  
polypyrrole +   
precursor Z 
precursor Z hydrate 
propizepine 
protuboxepin A 
protuboxepin B 
Pteleatine 
pteridines +   
Pydanon 
pyranoindolizinoquinoline +   
pyranopterin +  
pyranopyrazole +  
pyranopyridine +  
pyranopyrrole +  
pyranothiazole +  
pyrazinoindole +   
pyrazinoisoquinoline +  
pyrazinopyridoindole +   
pyrazolooxadiazepine +  
pyrazolopyrazole +   
pyrazolopyridazine +  
pyrazolopyridine +   
pyrazolopyrimidine +   
pyrazoloquinoline +   
pyrazolotriazine +  
Pyreudione C 
pyridazinodiazepine +   
pyridines +   
pyridobenzimidazole +  
pyridocarbazole +  
pyridoindole +   
pyridophenoxazine +  
pyridopyrazine +  
pyridoquinoline +   
pyrimidinothiazolopyrimidine +  
pyrimidobenzothiazine +  
pyrimidobenzoxazine +  
pyrimidodiazepine +  
pyrimidopurine +  
pyrimidopyridazine +   
pyrimidopyrimidine +   
pyrimidoquinolines +  
pyrimidotriazine +  
Pyrrolam B 
pyrrolidines +   
Pyrrolidino-[1,2E]-4H-2,4-dimethyl-1,3,5-dithiazine 
pyrrolidinopiperidine +   
pyrroline +   
pyrrolizidine +   
pyrrolizines +   
pyrrolobenzodiazepine +  
pyrroloimidazole +  
pyrroloindole +   
pyrroloisoindole +  
pyrrolopurine +   
pyrrolopyrazine +   
pyrrolopyrazole +   
pyrrolopyridine +   
pyrrolopyrimidine +   
pyrroloquinazoline +  
pyrroloquinoline +   
pyrroloquinoxaline +   
pyrrolotriazine +   
Quinacridone 
quinagolide 
quinazolines +   
quinolines +   
quinolizines +   
Ribaline 
Ribalinium 
Ro 19-4603 
Romergoline 
Rutalinium 
salinosporamide +  
Sartorymensin 
scytonemin 
sexipyridines +  
Simulansine 
Skimmianine 
SN-38 carboxylic acid 
sodium 3-[[2-pyridin-3-yl-6-(1,2,4,5-tetrahydro-3-benzazepin-3-yl)pyrimidin-4-yl]amino]propanoate 
tak-475 
Tebuthiuron 
terpendole J 
Terremide B 
Terremide C 
tetrahydropyrimidine +   
tetrazine +  
tetrazocane +  
tetrazolopyridine +  
thiadiazepane +  
thiadiazinane +   
thiadiazolidine +   
thiadiazolopyridazine +  
thiadiazoloquinoline +  
Thialdine 
Thiazafluron 
thiazepane +  
thiazepine +  
thiazide +   
thiazinane +   
thiazine +   
thiazolidines +   
thiazoloindole +  
thiazoloisoindole +  
thiazolopyridine +  
thiazolopyrimidine +   
thienoimidazole +  
thienopyridine +   
thienopyrimidine +   
thienopyrroloimidazole +  
thienothiazine +   
thienotriazolodiazepine +  
thiopyranopyrimidine +   
TMC-135A 
TMC-135B 
triazaacenaphthylene +   
triazinanes +   
triazines +   
triazolobenzothiazole +  
triazolopyrazine +  
triazolopyridazine +  
triazolopyridine +   
triazolopyrimidines +   
triazoloquinazoline +   
triazolothiadiazole +  
Tryptanthrine  
Tylophorine  
UCS1025A 
UCS1025B 
uretdiones +  
Veprisinium 
Verruculotoxin 
wrightiamine A 
xestospongin C  
Zanthodioline 
Zanthosimuline 
zarzissine 

Synonyms
Related Synonyms: Base ;   nucleobases
Alternate IDs: CHEBI:13873 ;   CHEBI:25598 ;   CHEBI:2995
Xrefs: KEGG:C00701 ;   Wikipedia:Nucleobase

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