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 member of the class of indoles that is 1H-indole substituted by a 3-methylbut-1-en-3-yl group at position 2 and a (1-hydroxy-7,8-dihydro-6H-pyrrolo[1,2-a]pyrazin-5-ium-3-yl)methyl group at position 3.