The molecule is a monoterpenoid indole alkaloid with formula C21H26N2O3, isolated from several plant species including Rhazya stricta, Tabernaemontana dichotoma and Aspidosperma pyricollum. It has a role as a plant metabolite. It is a monoterpenoid indole alkaloid, a methyl ester, a primary alcohol, an organic heterotetracyclic compound and an Aspidosperma alkaloid. It is a conjugate base of a 15alpha-stemmadenine(1+).
methyl (1S,2S,16E)-16-ethylidene-2-(hydroxymethyl)-4,14-diazatetracyclo[12.2.2.03,11.05,10]octadeca-3(11),5,7,9-tetraene-2-carboxylate