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 butan-4-olide that is dihydrofuran-2(3H)-one substituted by a hydroxy group at position 4, a 2-hydroxy-2-methyl-14-phenyltetradeca-11,13-dien-1-yl group at position 5 and a methyl group at position 5 (the 4S,5S stereoisomer). It is isolated from the Australian marine sponge Plakinastrella clathrata.