Synonyms: Pregn-5-en-20-one,16a,17-epoxy-3b-hydroxy- (6CI,8CI);16,17-Epoxy-17H-cyclopenta[a]phenanthrene, pregn-5-en-20-one deriv.;16,17a-Epoxypregnenolone;16a,17-Epoxy-3b-hydroxypregn-5-en-20-one;16a,17a-Epoxy-3b-hydroxy-5-pregnen-20-one;16a,17a-Epoxypregn-5-en-3b-ol-20-one;16a,17a-Epoxypregnenolone;16a,17a-Oxidopregnenolone;3b-Hydroxy-16a,17a-epoxy-5-pregnen-20-one;5-Pregnen-16a,17a-epoxy-3b-ol-20-one;NSC 122401;