Synonyms: Spiro[1H-cyclopenta[a]phenanthrene-1,2'-oxirane],spiro[androstane-1,2'-oxirane] deriv.; Spiro[1H-cyclopenta[a]phenanthrene-1,2'-oxirane],hexadecahydro-10,13-dimethyl-, [8S-(8a,9b,10a,13a,14b)]-; [8S-(8a,9b,10a,13a,14b)]-Hexadecahydro-10,13-dimethylspiro[1H-cyclopenta[a]phenanthrene-1,2'-oxirane]