Synonyms: 1H-Cyclopropa[13,17]cyclopenta[a]phenanthrene,17,18-cyclocholane deriv.; 1H-Cyclopropa[13,17]cyclopenta[a]phenanthrene,hexadecahydro-10-methyl-17-(1-methylbutyl)-, [8R-[8a,9b,10a,13R*,14b,17b(R*)]]-; [8R-[8a,9b,10a,13R*,14b,17b(R*)]]-Hexadecahydro-10-methyl-17-(1-methylbutyl)-1H-cyclopropa[13,17]cyclopenta[a]phenanthrene