CHEBI ONTOLOGY - ANNOTATIONS
The Chemical Entities of Biological Interest (ChEBI) ontology is downloaded weekly from EMBL-EBI at http://www.ebi.ac.uk/chebi/ . The data is made available under the Creative Commons License (CC BY 3.0, http://creativecommons.org/licenses/by/3.0/ ). For more information see: Degtyarenko et al. (2008) ChEBI: a database and ontology for chemical entities of biological interest. Nucleic Acids Res. 36, D344–D350.
Term: oxopurine
Accession: CHEBI:25810
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Synonyms: related_synonym: oxopurines
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Path 1
CHEBI ontology
19878
chemical entity
19876
atom
19876
nonmetal atom
19798
nitrogen atom
18974
nitrogen molecular entity
18974
organonitrogen compound
18826
organonitrogen heterocyclic compound
18145
imidazopyrimidine
7756
purines
7755
oxopurine
6342
1',3'-dimethylspiro[1H-indole-3,8'-7,9-dihydropurine]-2,2',6'-trione
0
1,3,7,9-tetramethyluric acid
11
1,3,7-trimethyl-5-hydroxyisouric acid
0
1,3,7-trimethyl-8-(phenylmethyl)purine-2,6-dione
0
1,3,7-trimethylisoguanine
0
1,3,7-trimethyluric acid
1
1,3,9-Trimethyluric acid
0
1,3-dibutyl-7-(2-oxopropyl)purine-2,6-dione
0
1,3-dimethyl-7-(5-oxohexyl)purine-2,6-dione
0
1,3-dimethyl-7-(phenylmethyl)-8-[2-(thiophen-2-ylmethylidene)hydrazinyl]purine-2,6-dione
0
1,3-dimethyl-8-(3-methyl-1-piperidinyl)-7-[2-[(5-methyl-1,3,4-thiadiazol-2-yl)thio]ethyl]purine-2,6-dione
0
1,3-dimethyl-8-[2-(1-pyrrolidinyl)ethylthio]-6-sulfanylidene-7H-purin-2-one
0
1,3-dimethyl-8-[[methyl-(phenylmethyl)amino]methyl]-7-(2-methylpropyl)purine-2,6-dione
0
1,3-dimethyl-8-[methyl-(phenylmethyl)amino]-7-[2-(2-pyrimidinylthio)ethyl]purine-2,6-dione
0
1,3-dimethyluric acid
0
1,7-dimethyluric acid
0
1,9-Dimethyluric acid
0
1-(11-(Dodecylamino)-10-hydroxyundecyl)-3,7-dihydro-3,7-dimethyl-1H-purine-2,6-dione
0
1-(3-Carboxypropyl)-3,7-dimethylxanthine
0
1-methyl-3-propyl-7H-xanthine
0
1-methyluric acid
1
2',3'-secoguanosine
0
2,8-dioxoadenine
0
2-(1,3-dimethyl-2,6-dioxo-7-purinyl)-N'-[2-(2-ethoxyphenoxy)-1-oxoethyl]acetohydrazide
0
2-(1,3-dimethyl-2,6-dioxo-7-purinyl)-N-(phenylmethyl)-N-(2-pyridinyl)acetamide
0
2-(1,3-dimethyl-2,6-dioxo-7-purinyl)-N-[3-[(4-methoxyphenyl)sulfamoyl]-4-methylphenyl]acetamide
0
2-(1,3-dimethyl-2,6-dioxo-7-purinyl)acetic acid
0
2-(\{8-[(3R)-3-aminopiperidin-1-yl]-1,3-dimethyl-2,6-dioxo-1,2,3,6-tetrahydro-7H-purin-7-yl\}methyl)benzonitrile
0
2-[(1,3-dimethyl-2,6-dioxo-7-propyl-8-purinyl)thio]-N-(4,5,6,7-tetrahydro-1,3-benzothiazol-2-yl)acetamide
0
2-[(7-ethyl-1,3-dimethyl-2,6-dioxo-8-purinyl)thio]-N-(6-methyl-2-pyridinyl)acetamide
0
2-[[3-methyl-7-(3-methylbutyl)-2,6-dioxo-8-purinyl]thio]propanoic acid methyl ester
0
2-[[7-(3-chlorobut-2-enyl)-3-methyl-2,6-dioxo-8-purinyl]thio]butanoic acid ethyl ester
0
2-dimethylamino-6-hydroxypurine
0
2-furancarboxylic acid [4-[[[1,3-dimethyl-2,6-dioxo-7-(phenylmethyl)-8-purinyl]hydrazinylidene]methyl]phenyl] ester
0
3,5-dimethyl-4-isoxazolecarboxylic acid (3-butyl-2,6-dioxo-7-propyl-8-purinyl)methyl ester
0
3,7-dimethyl-1-(phenylmethyl)-8-[(phenylmethyl)amino]purine-2,6-dione
0
3,7-dimethylisoguanine
0
3,7-dimethyluric acid
0
3,9-Dimethyluric acid
0
3-Methyluric acid
0
3-butyl-8-(2-fluorophenyl)-7-(phenylmethyl)purine-2,6-dione
0
3-isobutyl-1-methylxanthine +
3087
3-methyl-7-(2-phenylethyl)-8-(propylamino)purine-2,6-dione
0
3-methyl-7-(phenylmethyl)-8-(propan-2-ylthio)purine-2,6-dione
0
3-methyl-7-[(4-methylphenyl)methyl]-8-[2-(1-piperidinyl)ethylthio]purine-2,6-dione
0
3-methyl-7-pentyl-8-(2-phenylethylthio)purine-2,6-dione
0
4-(2,6-dioxo-1-propyl-3,7-dihydropurin-8-yl)benzenesulfonic acid
0
4-[(1,3-dimethyl-2,6-dioxo-7H-purin-8-yl)methylamino]benzoic acid
0
4-[2-[2-[3-methyl-2,6-dioxo-8-(1-piperidinyl)-7-purinyl]ethylidene]hydrazinyl]benzoic acid
0
4-[7-(2-methoxyethyl)-2,6-dioxo-3-(phenylmethyl)-8-purinyl]benzonitrile
0
4-[[7-[(4-fluorophenyl)methyl]-1,3-dimethyl-2,6-dioxo-8-purinyl]methyl]-1-piperazinecarboxylic acid ethyl ester
0
5-hydroxyisouric acid +
0
5-hydroxyisouric acid anion
0
6,8-Dihydroxypurine
0
6-(9'-Purine-6',8'-diolyl)-2beta-suberosanone
0
6-Thiourate
1
7,8-dihydro-8-oxoguanine +
4
7,9-Dimethyluric acid
0
7-(2-chloroethyl)-1,3-dimethylpurine-2,6-dione
0
7-(2-ethoxyethyl)-3-methyl-8-(1-pyrrolidinyl)purine-2,6-dione
0
7-(2-hydroxyethyl)-1,3-dimethylpurine-2,6-dione
0
7-(2-methoxyethyl)-3-methyl-8-(phenylthio)purine-2,6-dione
0
7-(3-chlorobut-2-enyl)-1,3-dimethyl-8-(2-phenylethylamino)purine-2,6-dione
0
7-(3-methoxypropyl)-3-(phenylmethyl)-8-(3-thiophenyl)purine-2,6-dione
0
7-Ethylguanine
0
7-Methyluric acid
0
7-[(2-chloro-6-fluorophenyl)methyl]-1,3-dimethyl-8-(1-piperidinylmethyl)purine-2,6-dione
0
7-[(2-chloro-6-fluorophenyl)methyl]-1,3-dimethyl-8-[(3-methyl-1-piperidinyl)methyl]purine-2,6-dione
0
7-[(3-bromophenyl)methyl]-1,3-dimethyl-8-(2-methylpropylamino)purine-2,6-dione
0
7-[(3-bromophenyl)methyl]-1,3-dimethyl-8-(3-pyridinylmethylamino)purine-2,6-dione
0
7-[(4-fluorophenyl)methyl]-1,3-dimethyl-8-[(2-oxo-2-thiophen-2-ylethyl)thio]purine-2,6-dione
0
7-[2-(1,3-benzothiazol-2-ylthio)ethyl]-1,3-dimethyl-8-(3-methyl-1-piperidinyl)purine-2,6-dione
0
7-[2-hydroxy-3-(2-methylphenoxy)propyl]-3-methyl-8-(propan-2-ylthio)purine-2,6-dione
0
7-[2-hydroxy-3-(4-methoxyphenoxy)propyl]-1,3-dimethyl-8-(1-piperidinyl)purine-2,6-dione
0
7-[2-hydroxy-3-[2-hydroxyethyl(methyl)amino]propyl]-1,3-dimethylpurine-2,6-dione
0
7-\{2-hydroxy-3-[(naphthalen-1-yl)oxy]propyl\}-3-methyl-8-(morpholin-4-yl)-3,7-dihydropurine-2,6-dione
0
7-benzyl-1,3-dimethyl-8-piperazin-1-yl-3,7-dihydropurine-2,6-dione
0
7-but-2-enyl-3-methyl-8-(3-phenylpropylthio)purine-2,6-dione
0
7-but-2-enyl-3-methyl-8-(phenylmethylthio)purine-2,6-dione
0
7-hydroxyguanine
0
7-methylxanthine
0
8-(1,3-benzothiazol-2-ylthio)-3-methyl-7-pentylpurine-2,6-dione
0
8-(2,5-dimethylphenoxy)-1,3-dimethyl-7-prop-2-enylpurine-2,6-dione
0
8-(3-ethoxypropylamino)-1,3-dimethyl-7H-purine-2,6-dione
0
8-(4-methoxyphenyl)-7-methyl-3-(phenylmethyl)purine-2,6-dione
0
8-(butan-2-ylthio)-7-[(4-chlorophenyl)methyl]-3-methylpurine-2,6-dione
0
8-(methoxymethyl)-1-methyl-3-(2-methylpropyl)-7H-purine-2,6-dione
0
8-Chloroxanthine
0
8-Hydroxypurine
0
8-Hydroxythioguanine
0
8-Nitroguanine
0
8-[(1-ethyl-3-piperidinyl)thio]-1,3-dimethyl-6-sulfanylidene-7H-purin-2-one
0
8-[(2-fluoroanilino)hydrazinylidene]-1,3-dimethylpurine-2,6-dione
0
8-[2-(2-bromo-3-phenylprop-2-enylidene)hydrazinyl]-7-(2-hydroxyethyl)-3-methylpurine-2,6-dione
0
8-[[4-[2-furanyl(oxo)methyl]-1-piperazinyl]methyl]-1,3-dimethyl-7-[(2-methylphenyl)methyl]purine-2,6-dione
0
8-[[4-[2-furanyl(oxo)methyl]-1-piperazinyl]methyl]-1,3-dimethyl-7-propylpurine-2,6-dione
0
8-anilino-1,3-dimethyl-7H-purine-2,6-dione
0
8-cyclopentyl-1,3-dimethyl-7H-purine-2,6-dione
0
8-hydroxy-7-methylguanine
0
8-methylcaffeine
0
8-oxo-fusatin
0
8-oxoadenine
0
8-oxoguanine
0
8-phenyl-1,3-dipropyl-7H-purine-2,6-dione
0
9-Carboxymethoxymethylguanine
0
9-Methyluric acid
0
9-Methylxanthine
0
Acremolin C
0
CD 1790
0
Caffeinol
0
DPCPX
11
Dimethyluric acid
0
Furafylline
9
Isobutylxanthine
0
LSM-1748
0
Migrenin (TN)
0
N-(4-cyanophenyl)-2-[4-(2,6-dioxo-1,3-dipropyl-7H-purin-8-yl)phenoxy]acetamide
0
O6-CYCLOHEXYLMETHOXY-2-(4'-SULPHAMOYLANILINO) PURINE
0
Pentoxifylline
84
Propentofylline
0
Proxyphylline
0
Pyrimido[1,2-a]purin-10(1H)-one
0
Rolofylline
0
Tetrahydroindol 5
0
Theobromine-d6
0
Theophylline sodium acetate
0
Thiouric acid
0
Thioxanthine monophosphate
0
Tonapofylline
0
Vephylline
0
acyclovir
18
bamifylline
0
beta-D-3-Ribofuranosyluric acid
0
cafaminol
0
cafedrine
0
caffeine-(trimethyl-(13)C3)
0
caffeine-d9
0
cipamfylline
0
ddhGMP
0
ddhGTP
0
dimethazan
0
doxofylline
0
dyphylline +
0
enprofylline +
0
entecavir (anhydrous) +
0
etamiphylline
0
etofylline clofibrate
0
etofylline nicotinate
0
fenetylline
0
ganciclovir +
4
guanine +
6274
hypoxanthine +
27
hypoxanthine 3-N-oxide +
0
isoguanine
0
istradefylline
4
methylguanine +
16
methylhypoxanthine +
0
pentifylline
0
phentetramine
0
pimefylline
0
protheobromine
0
reproterol
1
theodrenaline
0
urate(2-) +
0
uric acid +
135
xanthine +
6193
Path 2
CHEBI ontology
19878
subatomic particle
19876
composite particle
19876
hadron
19876
baryon
19876
nucleon
19876
atomic nucleus
19876
atom
19876
main group element atom
19815
p-block element atom
19815
carbon group element atom
19755
carbon atom
19752
organic molecular entity
19752
organic molecule
19704
organic cyclic compound
19493
organic heterocyclic compound
18867
organic heteropolycyclic compound
18290
organic heterobicyclic compound
17233
imidazopyrimidine
7756
purines
7755
oxopurine
6342
1',3'-dimethylspiro[1H-indole-3,8'-7,9-dihydropurine]-2,2',6'-trione
0
1,3,7,9-tetramethyluric acid
11
1,3,7-trimethyl-5-hydroxyisouric acid
0
1,3,7-trimethyl-8-(phenylmethyl)purine-2,6-dione
0
1,3,7-trimethylisoguanine
0
1,3,7-trimethyluric acid
1
1,3,9-Trimethyluric acid
0
1,3-dibutyl-7-(2-oxopropyl)purine-2,6-dione
0
1,3-dimethyl-7-(5-oxohexyl)purine-2,6-dione
0
1,3-dimethyl-7-(phenylmethyl)-8-[2-(thiophen-2-ylmethylidene)hydrazinyl]purine-2,6-dione
0
1,3-dimethyl-8-(3-methyl-1-piperidinyl)-7-[2-[(5-methyl-1,3,4-thiadiazol-2-yl)thio]ethyl]purine-2,6-dione
0
1,3-dimethyl-8-[2-(1-pyrrolidinyl)ethylthio]-6-sulfanylidene-7H-purin-2-one
0
1,3-dimethyl-8-[[methyl-(phenylmethyl)amino]methyl]-7-(2-methylpropyl)purine-2,6-dione
0
1,3-dimethyl-8-[methyl-(phenylmethyl)amino]-7-[2-(2-pyrimidinylthio)ethyl]purine-2,6-dione
0
1,3-dimethyluric acid
0
1,7-dimethyluric acid
0
1,9-Dimethyluric acid
0
1-(11-(Dodecylamino)-10-hydroxyundecyl)-3,7-dihydro-3,7-dimethyl-1H-purine-2,6-dione
0
1-(3-Carboxypropyl)-3,7-dimethylxanthine
0
1-methyl-3-propyl-7H-xanthine
0
1-methyluric acid
1
2',3'-secoguanosine
0
2,8-dioxoadenine
0
2-(1,3-dimethyl-2,6-dioxo-7-purinyl)-N'-[2-(2-ethoxyphenoxy)-1-oxoethyl]acetohydrazide
0
2-(1,3-dimethyl-2,6-dioxo-7-purinyl)-N-(phenylmethyl)-N-(2-pyridinyl)acetamide
0
2-(1,3-dimethyl-2,6-dioxo-7-purinyl)-N-[3-[(4-methoxyphenyl)sulfamoyl]-4-methylphenyl]acetamide
0
2-(1,3-dimethyl-2,6-dioxo-7-purinyl)acetic acid
0
2-(\{8-[(3R)-3-aminopiperidin-1-yl]-1,3-dimethyl-2,6-dioxo-1,2,3,6-tetrahydro-7H-purin-7-yl\}methyl)benzonitrile
0
2-[(1,3-dimethyl-2,6-dioxo-7-propyl-8-purinyl)thio]-N-(4,5,6,7-tetrahydro-1,3-benzothiazol-2-yl)acetamide
0
2-[(7-ethyl-1,3-dimethyl-2,6-dioxo-8-purinyl)thio]-N-(6-methyl-2-pyridinyl)acetamide
0
2-[[3-methyl-7-(3-methylbutyl)-2,6-dioxo-8-purinyl]thio]propanoic acid methyl ester
0
2-[[7-(3-chlorobut-2-enyl)-3-methyl-2,6-dioxo-8-purinyl]thio]butanoic acid ethyl ester
0
2-dimethylamino-6-hydroxypurine
0
2-furancarboxylic acid [4-[[[1,3-dimethyl-2,6-dioxo-7-(phenylmethyl)-8-purinyl]hydrazinylidene]methyl]phenyl] ester
0
3,5-dimethyl-4-isoxazolecarboxylic acid (3-butyl-2,6-dioxo-7-propyl-8-purinyl)methyl ester
0
3,7-dimethyl-1-(phenylmethyl)-8-[(phenylmethyl)amino]purine-2,6-dione
0
3,7-dimethylisoguanine
0
3,7-dimethyluric acid
0
3,9-Dimethyluric acid
0
3-Methyluric acid
0
3-butyl-8-(2-fluorophenyl)-7-(phenylmethyl)purine-2,6-dione
0
3-isobutyl-1-methylxanthine +
3087
3-methyl-7-(2-phenylethyl)-8-(propylamino)purine-2,6-dione
0
3-methyl-7-(phenylmethyl)-8-(propan-2-ylthio)purine-2,6-dione
0
3-methyl-7-[(4-methylphenyl)methyl]-8-[2-(1-piperidinyl)ethylthio]purine-2,6-dione
0
3-methyl-7-pentyl-8-(2-phenylethylthio)purine-2,6-dione
0
4-(2,6-dioxo-1-propyl-3,7-dihydropurin-8-yl)benzenesulfonic acid
0
4-[(1,3-dimethyl-2,6-dioxo-7H-purin-8-yl)methylamino]benzoic acid
0
4-[2-[2-[3-methyl-2,6-dioxo-8-(1-piperidinyl)-7-purinyl]ethylidene]hydrazinyl]benzoic acid
0
4-[7-(2-methoxyethyl)-2,6-dioxo-3-(phenylmethyl)-8-purinyl]benzonitrile
0
4-[[7-[(4-fluorophenyl)methyl]-1,3-dimethyl-2,6-dioxo-8-purinyl]methyl]-1-piperazinecarboxylic acid ethyl ester
0
5-hydroxyisouric acid +
0
5-hydroxyisouric acid anion
0
6,8-Dihydroxypurine
0
6-(9'-Purine-6',8'-diolyl)-2beta-suberosanone
0
6-Thiourate
1
7,8-dihydro-8-oxoguanine +
4
7,9-Dimethyluric acid
0
7-(2-chloroethyl)-1,3-dimethylpurine-2,6-dione
0
7-(2-ethoxyethyl)-3-methyl-8-(1-pyrrolidinyl)purine-2,6-dione
0
7-(2-hydroxyethyl)-1,3-dimethylpurine-2,6-dione
0
7-(2-methoxyethyl)-3-methyl-8-(phenylthio)purine-2,6-dione
0
7-(3-chlorobut-2-enyl)-1,3-dimethyl-8-(2-phenylethylamino)purine-2,6-dione
0
7-(3-methoxypropyl)-3-(phenylmethyl)-8-(3-thiophenyl)purine-2,6-dione
0
7-Ethylguanine
0
7-Methyluric acid
0
7-[(2-chloro-6-fluorophenyl)methyl]-1,3-dimethyl-8-(1-piperidinylmethyl)purine-2,6-dione
0
7-[(2-chloro-6-fluorophenyl)methyl]-1,3-dimethyl-8-[(3-methyl-1-piperidinyl)methyl]purine-2,6-dione
0
7-[(3-bromophenyl)methyl]-1,3-dimethyl-8-(2-methylpropylamino)purine-2,6-dione
0
7-[(3-bromophenyl)methyl]-1,3-dimethyl-8-(3-pyridinylmethylamino)purine-2,6-dione
0
7-[(4-fluorophenyl)methyl]-1,3-dimethyl-8-[(2-oxo-2-thiophen-2-ylethyl)thio]purine-2,6-dione
0
7-[2-(1,3-benzothiazol-2-ylthio)ethyl]-1,3-dimethyl-8-(3-methyl-1-piperidinyl)purine-2,6-dione
0
7-[2-hydroxy-3-(2-methylphenoxy)propyl]-3-methyl-8-(propan-2-ylthio)purine-2,6-dione
0
7-[2-hydroxy-3-(4-methoxyphenoxy)propyl]-1,3-dimethyl-8-(1-piperidinyl)purine-2,6-dione
0
7-[2-hydroxy-3-[2-hydroxyethyl(methyl)amino]propyl]-1,3-dimethylpurine-2,6-dione
0
7-\{2-hydroxy-3-[(naphthalen-1-yl)oxy]propyl\}-3-methyl-8-(morpholin-4-yl)-3,7-dihydropurine-2,6-dione
0
7-benzyl-1,3-dimethyl-8-piperazin-1-yl-3,7-dihydropurine-2,6-dione
0
7-but-2-enyl-3-methyl-8-(3-phenylpropylthio)purine-2,6-dione
0
7-but-2-enyl-3-methyl-8-(phenylmethylthio)purine-2,6-dione
0
7-hydroxyguanine
0
7-methylxanthine
0
8-(1,3-benzothiazol-2-ylthio)-3-methyl-7-pentylpurine-2,6-dione
0
8-(2,5-dimethylphenoxy)-1,3-dimethyl-7-prop-2-enylpurine-2,6-dione
0
8-(3-ethoxypropylamino)-1,3-dimethyl-7H-purine-2,6-dione
0
8-(4-methoxyphenyl)-7-methyl-3-(phenylmethyl)purine-2,6-dione
0
8-(butan-2-ylthio)-7-[(4-chlorophenyl)methyl]-3-methylpurine-2,6-dione
0
8-(methoxymethyl)-1-methyl-3-(2-methylpropyl)-7H-purine-2,6-dione
0
8-Chloroxanthine
0
8-Hydroxypurine
0
8-Hydroxythioguanine
0
8-Nitroguanine
0
8-[(1-ethyl-3-piperidinyl)thio]-1,3-dimethyl-6-sulfanylidene-7H-purin-2-one
0
8-[(2-fluoroanilino)hydrazinylidene]-1,3-dimethylpurine-2,6-dione
0
8-[2-(2-bromo-3-phenylprop-2-enylidene)hydrazinyl]-7-(2-hydroxyethyl)-3-methylpurine-2,6-dione
0
8-[[4-[2-furanyl(oxo)methyl]-1-piperazinyl]methyl]-1,3-dimethyl-7-[(2-methylphenyl)methyl]purine-2,6-dione
0
8-[[4-[2-furanyl(oxo)methyl]-1-piperazinyl]methyl]-1,3-dimethyl-7-propylpurine-2,6-dione
0
8-anilino-1,3-dimethyl-7H-purine-2,6-dione
0
8-cyclopentyl-1,3-dimethyl-7H-purine-2,6-dione
0
8-hydroxy-7-methylguanine
0
8-methylcaffeine
0
8-oxo-fusatin
0
8-oxoadenine
0
8-oxoguanine
0
8-phenyl-1,3-dipropyl-7H-purine-2,6-dione
0
9-Carboxymethoxymethylguanine
0
9-Methyluric acid
0
9-Methylxanthine
0
Acremolin C
0
CD 1790
0
Caffeinol
0
DPCPX
11
Dimethyluric acid
0
Furafylline
9
Isobutylxanthine
0
LSM-1748
0
Migrenin (TN)
0
N-(4-cyanophenyl)-2-[4-(2,6-dioxo-1,3-dipropyl-7H-purin-8-yl)phenoxy]acetamide
0
O6-CYCLOHEXYLMETHOXY-2-(4'-SULPHAMOYLANILINO) PURINE
0
Pentoxifylline
84
Propentofylline
0
Proxyphylline
0
Pyrimido[1,2-a]purin-10(1H)-one
0
Rolofylline
0
Tetrahydroindol 5
0
Theobromine-d6
0
Theophylline sodium acetate
0
Thiouric acid
0
Thioxanthine monophosphate
0
Tonapofylline
0
Vephylline
0
acyclovir
18
bamifylline
0
beta-D-3-Ribofuranosyluric acid
0
cafaminol
0
cafedrine
0
caffeine-(trimethyl-(13)C3)
0
caffeine-d9
0
cipamfylline
0
ddhGMP
0
ddhGTP
0
dimethazan
0
doxofylline
0
dyphylline +
0
enprofylline +
0
entecavir (anhydrous) +
0
etamiphylline
0
etofylline clofibrate
0
etofylline nicotinate
0
fenetylline
0
ganciclovir +
4
guanine +
6274
hypoxanthine +
27
hypoxanthine 3-N-oxide +
0
isoguanine
0
istradefylline
4
methylguanine +
16
methylhypoxanthine +
0
pentifylline
0
phentetramine
0
pimefylline
0
protheobromine
0
reproterol
1
theodrenaline
0
urate(2-) +
0
uric acid +
135
xanthine +
6193