Synonyms: Spiro[7H-cyclopenta[a]phenanthrene-7,2'-thiazolidine],spiro[cholestane-7,2'-thiazolidine] deriv.;Spiro[7H-cyclopenta[a]phenanthrene-7,2'-thiazolidine],17-(1,5-dimethylhexyl)hexadecahydro-10,13-dimethyl-, [8R-[8a,9b,10a,13a,14b,17a(R*)]]-;[8R-[8a,9b,10a,13a,14b,17a(R*)]]-17-(1,5-Dimethylhexyl)hexadecahydro-10,13-dimethylspiro[7H-cyclopenta[a]phenanthrene-7,2'-thiazolidine]