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