The molecule is a methyl ester resulting from the formal condensation of the carboxy group of (5S,12bR,12cS)-7-carboxy-1-ethyl-3,6,8,12c-tetrahydro-4H-5,12b-ethanoindolo[3,2-a]quinolizin-5-ium with methanol. It is an alkaloid ester, a methyl ester, a monoterpenoid indole alkaloid, an organic heteropentacyclic compound and a quaternary ammonium ion.
methyl (1R,12S,17S)-16-ethyl-8-aza-12-azoniapentacyclo[10.5.2.01,9.02,7.012,17]nonadeca-2,4,6,9,15-pentaene-10-carboxylate