The molecule is an acetate ester resulting from the formal condensation of the hydroxy group of 15alpha-stemmadenine with the carboxy group of acetic acid. It is a monoterpenoid indole alkaloid, an organic heterotetracyclic compound, a methyl ester and an acetate ester. It is a conjugate base of an O-acetyl-15alpha-stemmadenine(1+).
methyl (1S,2S,16E)-2-(acetyloxymethyl)-16-ethylidene-4,14-diazatetracyclo[12.2.2.03,11.05,10]octadeca-3(11),5,7,9-tetraene-2-carboxylate