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 methyl ester resulting from the formal condensation of the carboxy group of (5S,12bR,12cS)-7-carboxy-1-ethyl-3,6,8,12c-tetrahydro-4H-5,12b-ethanoindolo[3,2-a]quinolizin-5-ium with methanol.