16.alpha.,17-Epoxy-3.beta.-hydroxypregn-5-en-20-one 16.alpha.,17.alpha.-Epoxy-3.beta.-hydroxy-5-pregnen-20-one 16.alpha.,17.alpha.-Epoxypregnenolone 16.alpha.,17.alpha.-Oxidopregnenolone 3.beta.-Hydroxy-16.alpha.,17.alpha.-epoxy-5-pregnen-20-one 5-Pregnen-16.alpha.,17.alpha.-epoxy-3.beta.-ol-20-one 974-23-2 NSC122401 Pregn-5-en-20-one, 16,17-epoxy-3-hydroxy-, (3.beta.,16.alpha.)- Pregn-5-en-20-one, 16.alpha.,17-epoxy-3.beta.-hydroxy-