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 pterocarpans that is (6aR,11aR)-pterocarpan substituted by a hydroxy group at position 8, methoxy groups at positions 3 and 9 and a prenyl group at position 10. Isolated from the roots of Lespedeza floribunda, it acts as a melanin synthesis inhibitor.