Synonyms: | Spiro[17H-cyclopenta[a]phenanthrene-17,2'-oxirane],spiro[gonane-17,2'-oxirane] deriv.; Spiro[17H-cyclopenta[a]phenanthrene-17,2'-oxirane],hexadecahydro-, [8R-(8a,9b,10a,13a,14b)]-; [8R-(8a,9b,10a,13a,14b)]-Hexadecahydrospiro[17H-cyclopenta[a]phenanthrene-17,2'-oxirane] |