Synonyms: 1H-Indeno[6,7,1-mna]anthracene,benzo[7,8,14,15]pregna-7,14-diene deriv.; 1H-Indeno[6,7,1-mna]anthracene,1-ethyl-2,5,5a,6,7,8,9,9a,9b,10,11,11a-dodecahydro-9a,11a-dimethyl-, [1S-(1a,9aa,9bb,11aa)]-; [1S-(1a,9aa,9bb,11aa)]-1-Ethyl-2,5,5a,6,7,8,9,9a,9b,10,11,11a-dodecahydro-9a,11a-dimethyl-1H-indeno[6,7,1-mna]anthracene