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