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 triterpene glycoside that consists of lanost-8,24-dien-21-oic acid substituted at by a alpha-acetyloxy group at position 3 and a beta-D-xylopyranosyl moiety at position 21 via a glycosidic linkage. Isolated from the fruit body of Fomitopsis pinicola, it exhibits inhibitory activity against COX-1 and COX-2.