16-alpha,17-alpha-Epoxy-3-beta-hydroxypregn-5-en-20-one 16alpha,17alpha-Epoxy-3beta-hydroxy-5-pregnen-20-one 16alpha,17alpha-Epoxypregnenolone 16alpha,17alpha-Oxidopregnenolone 3beta-Hydroxy-16alpha,17alpha-epoxy-5-pregnen-20-one 5-Pregnen-16alpha,17alpha-epoxy-3beta-ol-20-one 974-23-2 EINECS 213-548-2 NSC 122401 Pregn-5-en-20-one, 16,17-epoxy-3-hydroxy-, (3beta,16alpha)- (9CI) Pregn-5-en-20-one, 16alpha,17-epoxy-3beta-hydroxy- (8CI)