Synonyms: 2H-Cyclopropa[14,15]cyclopenta[a]phenanthrene,cyclopropa[14,15]pregnane deriv.;2H-Cyclopropa[14,15]cyclopenta[a]phenanthrene, 17-ethyl-1,3,4,5,6,7,8,9,10,11,12,13,16,17-tetradecahydro-10,13-dimethyl-,[8R-(8a,9b,10a,13a,17a)]-; [8R-(8a,9b,10a,13a,17a)]-17-Ethyl-1,3,4,5,6,7,8,9,10,11,12,13,16,17-tetradecahydro-10,13-dimethyl-2H-cyclopropa[14,15]cyclopenta[a]phenanthrene