The molecule is an Aspidosperma alkaloid with molecular formula C21H24N2O3 found in the roots of Madagascar periwinkle (Catharanthus roseus, formerly known as Vinca rosea). It has a role as a plant metabolite. It is a monoterpenoid indole alkaloid, an organic heterohexacyclic compound, a methyl ester, an epoxide and an Aspidosperma alkaloid. It is a conjugate base of a lochnericine(1+).
methyl (1R,12S,13R,15S,20R)-12-ethyl-14-oxa-8,17-diazahexacyclo[10.7.1.01,9.02,7.013,15.017,20]icosa-2,4,6,9-tetraene-10-carboxylate