1H-5,10b-Propeno-1,7-phenanthrolin-8(7H)-one, 2,3,4,4a,5,6-hexahydro-12-methyl-, (4aR,5R,10bR)-
Lycodin-1(18H)-one, 8,15-didehydro-
(4aR,5R,10bR)-2,3,4,4a,5,6-Hexahydro-12-methyl-1H-5,10b-propeno-1,7-phenanthrolin-8(7H)-one
Huperzine B
8,15-Didehydro-1,18-dihydro-1-oxolycodine
Fordimine
1H-5,10b-Propeno-1,7-phenanthrolin-8(7H)-one, 2,3,4,4a,5,6-hexahydro-12-methyl-, [4aR-(4aα,5α,10bα)]-
(-)-Huperzine B