chimonanthine

1-Demethylcalycanthidine

3a,3'a-Bi[(3aS,8aS)-1-methyl-1,2,3,3a,8,8a-hexahydropyrrolo[2,3-b]indole]

(3aS,3'aS,8aS,8'aS)-3a,3'a-Bi[1-methyl-1,2,3,3a,8,8a-hexahydropyrrolo[2,3-b]indole]