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 sesquiterpene that is 1,2,3,4,4a,5,6,7-octahydronaphthalene substituted by methyl groups at positions 4 and 4a and a prop-1-en-2-yl group at position 6 (the 4R,4aR,6R-stereoisomer).