Synonyms: Cacotheline (6CI,7CI,8CI);7,9-Methano-7H-oxepino[3,4-a]pyrrolo[2,3-d]carbazole-13-acetic acid,2,3,5,6,7a,8,8a,11,13,13a,13b,14-dodecahydro-1-nitro-2,3-dioxo-,(4bS,7S,7aS,8aR,13S,13aR,13bS)-;Kacotheline;NSC 5069;9,10-Secostrychnidin-10-oicacid, 2,3-dihydro-4-nitro-2,3-dioxo-;[(4S,12S,13R,14S,19R,21S)-9-nitro-7,8-dioxo-15-oxa-1,11-diazahexacyclo[16.3.1.04,12.04,21.05,10.013,19]docosa-5,9,17-trien-14-yl]acetic acid (non-preferred name);2,3-Dihydro-4-nitro-2,3-dioxo-9,10-secostrychnidin-10-oic Acid;2-[(4S,12S,13R,14S,19R,21S)-9-nitro-7,8-dioxo-15-oxa-1,11-diazahexacyclo[16.3.1.04,12.04,21.05,10.013,19]docosa-5,9,17-trien-14-yl]acetic acid;