Synonyms: Hunteracine;2H-2,5-Ethano-1H-indolizino[8a,1-b]indol-5-ium,3-ethylidene-3,4,6,7,7a,12-hexahydro-7a-hydroxy-, [2S-(2a,3E,5a,7aa,12aR*)]-; [2S-(2a,3E,5a,7aa,12aR*)]-3-Ethylidene-3,4,6,7,7a,12-hexahydro-7a-hydroxy-2H-2,5-ethano-1H-indolizino[8a,1-b]indol-5-ium