Synonyms: 1H-Dicyclopropa[2,3:3',4']dicyclopenta[1,2-a:1',2'-f]naphthalene,cycloprop[16,17]-3,5-cyclopregnane deriv.; 1H-Dicyclopropa[2,3:3',4']dicyclopenta[1,2-a:1',2'-f]naphthalene,5b-ethyl-1a,2,3,3a,3b,4,5,5a,5b,7,7a,7b,8,9-tetradecahydro-3a,5a-dimethyl-,[3aR-(3aa,3bb,5aa,5ba,7ab,7ba)]-; [3aR-(3aa,3bb,5aa,5ba,7ab,7ba)]-5b-Ethyl-1a,2,3,3a,3b,4,5,5a,5b,7,7a,7b,8,9-tetradecahydro-3a,5a-dimethyl-1H-dicyclopropa[2,3:3',4']dicyclopenta[1,2-a:1',2'-f]naphthalene