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