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 polyketide that consists of cyclohex-2-en-1-one substituted by hydroxy groups at positions 3 and 5 and a hexadec-3-enoyl group at position 2 (the 3E stereoisomer). It is isolated form the leaves of Virola sebifera an exhibits cytotoxic activity against human tumour cells.