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.
An extended flavonoid that is 2,3-dihydro-4H,8H-pyrano[2,3-f]chromen-4-one which is substituted by a p-methoxyphenyl group at the 2-pro-S position, a methoxy group at position 5, and two methyl groups at position 8.