Synonyms: | Cyclopropa[2,3]cyclopenta[a]phenanthrene,3'H-cycloprop[2,3]estr-2-ene deriv.; Cyclopropa[2,3]cyclopenta[a]phenanthrene,1,2a,4,5,6,7,8,9,10,11,12,13,14,15,16,17-hexadecahydro-13-methyl-, [8R-(8a,9b,10a,13a,14b)]-; Cyclopropa[2,3]cyclopenta[a]phenanthrene,1,4,5,6,7,8,9,10,11,12,13,14,15,16,17,20-hexadecahydro-13-methyl-, [8R-(8a,9b,10a,13a,14b)]-; Estr-2-eno[2,3]cyclopropene; [8R-(8a,9b,10a,13a,14b)]-1,4,5,6,7,8,9,10,11,12,13,14,15,16,17,20-Hexadecahydro-13-methylcyclopropa[2,3]cyclopenta[a]phenanthrene |