delta18-Hirsutine

18,19-didehydrohirsutine ; corynan-16-carboxylic acid, 16,17,18,19-tetrahydro-17-methoxy-, methyl ester, (3beta,16e)- ; methyl (e)-2-[(2s,3r,12br)-3-ethenyl-1,2,3,4,6,7,12,12b-octahydroindolo[3,2-h]quinolizin-2-yl]-3-methoxyprop-2-enoate ; delta18-hirsutine ; 3-epicorynantheine ; corynan-16-carboxylic acid, 16,17,18,19-tetradehydro-17-methoxy-, methyl ester, (3-beta,16e)- ; Δ18-hirsutine ; (3-beta,16e)-16,17,18,19-tetradehydro-17-methoxy-corynan-16-carboxylic acid methyl ester ; (3β,16e)-16,17,18,19-tetradehydro-17-methoxycorynan-16-carboxylic acid methyl ester ; delta(sup 18)-hirsutine