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 pyranoxanthones that is 3H,7H-pyrano[2,3-c]xanthen-7-one substituted by hydroxy groups at positions 6, 10 and 11, geminal methyl groups at position 3 and a prenyl group at position 5. Isolated from Garcinia lancilimba, it exhibits inhibitory effects on human cancer cell line.