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 glycosyloxyflavone that is 5,3',4'-trihydroxyflavone substituted by a beta-D-glucopyranosyloxy group at position 3 and a 2'',2''-dimethylpyrano ring fused across positions 7 and 8. Isolated from the leaves of Salix matsudana, it acts as a cyclooxygenase 2 inhibitor.