Indolo[2,3-a]quinolizine-2-acetic acid, 3-ethenyl-1,2,3,4,6,7,12,12b-octahydro-α-(methoxymethylene)-, methyl ester, (αE,2S,3R,12bR)-
Corynan-16-carboxylic acid, 16,17,18,19-tetradehydro-17-methoxy-, methyl ester, (3β,16E)-
Indolo[2,3-a]quinolizine-2-acetic acid, 3-ethenyl-1,2,3,4,6,7,12,12b-octahydro-α-(methoxymethylene)-, methyl ester, [2S-[2α(E),3β,12bα]]-
Hirsuteine
Δ18-Hirsutine
18,19-Didehydrohirsutine
3-Epicorynantheine