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.
Formula=C20H17N2O7R5; SMILES=C12=C(C=C(C(=C1C(C=3[C@]([C@@H](C4C(O)(C3O)C(C([C@H]4N(C)C)=O)(O)C(=O)N)*)(C2(*)*)[H])=O)O)*)*; a (1S,10aS)-3-(CONH2)-1-(Me2N)-3,3a,4,6-(HO)4-2,5-dioxo-1H,10aH,11H,11aH-cyclopenta[b]anthracene