The molecule is an alkaloid ester, a methyl ester, an aldehyde and an organic heterotetracyclic compound. It derives from a sarpagine.
methyl (1S,12S,13R,14R,15E)-15-ethylidene-13-formyl-3,17-diazapentacyclo[12.3.1.02,10.04,9.012,17]octadeca-2(10),4,6,8-tetraene-13-carboxylate