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 spiro compound that is spiro[4.5]dec-6-ene which is substituted at positions 2, 6, 8, and 10 by isopropenyl, methyl, hydroxy, and methyl groups, respectively (the (2R,5S,8S,10R)-diastereoisomer).