Synonyms: 23,24-Secostrychnidine(8CI); 12H-1,12-Ethano-9H-pyrido[1,2,3-lm]pyrrolo[2,3-d]carbazol-11-ol,14-ethylidene-2,3,10,11,11a,11b,13,13a-octahydro-, [1S-(1a,3aS*,11a,11ab,11ba,12a,13ab,14E)]-; [1S-(1a,3aS*,11a,11ab,11ba,12a,13ab,14E)]-14-Ethylidene-2,3,10,11,11a,11b,13,13a-octahydro-12H-1,12-ethano-9H-pyrido[1,2,3-lm]pyrrolo[2,3-d]carbazol-11-ol