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.
A member of the class of pyridopyrimidines that is 8-methylpyrido[2,3-d]pyrimidin-7(8H)-one carrying additional (1,5-dihydroxypentan-3-yl)amino and 2,4-difluorophenoxy substituents at positions 2 and 6 respectively. It is a potent inhibitor of MAPK and is used for treatment of rheumatoid arthritis.