The molecule is a monoterpenoid indole alkaloid with formula C23H26N2O5, originally isolated from the seeds of Strychnos nux-vomica. It has a role as a plant metabolite. It is a delta-lactam, a monoterpenoid indole alkaloid, an olefinic compound, an organic heterohexacyclic compound, a primary alcohol, an aromatic ether and a tertiary amine oxide.
(1S,13S,14E,19S,21S)-14-(2-hydroxyethylidene)-4,5-dimethoxy-16-oxido-8-aza-16-azoniahexacyclo[11.5.2.11,8.02,7.016,19.012,21]henicosa-2,4,6,11-tetraen-9-one