Synonyms: 1H-Benz[cd]indeno[5,4-f]indole,1'H-pregn-5-eno[6,5,4-bc]pyrrole deriv.; 1H-Benz[cd]indeno[5,4-f]indole,9-ethyl-2,3,5,6,6a,6b,7,8,9,9a,10,11,11a,11b-tetradecahydro-9a,11b-dimethyl-,[6aS-(6aa,6bb,9a,9aa,11ab,11ba)]-; [6aS-(6aa,6bb,9a,9aa,11ab,11ba)]-9-Ethyl-2,3,5,6,6a,6b,7,8,9,9a,10,11,11a,11b-tetradecahydro-9a,11b-dimethyl-1H-benz[cd]indeno[5,4-f]indole