Synonyms: Pregn-5-en-20-one,16a,17-epoxy-3b-hydroxy-, acetate (6CI,7CI,8CI);16a,17a-Epoxy-20-oxopregn-5-en-3b-yl acetate;16a,17a-Epoxypregnenolone acetate;3b-Acetoxy-16a,17-epoxypregn-5-en-20-one;3b-Acetoxy-16a,17-epoxypregnen-5-en-20-one;3b-Acetoxy-16a,17a-epoxypregn-5-en-20-one;3b-Acetoxy-16a,17a-epoxypregna-5-dien-20-one;3b-Hydroxy-16a,17a-oxidopregn-5-en-20-one acetate;NSC 21455;