1162-53-4 16-Dehydropregnenolone 16-Dehydropregnolone 3-beta-Hydroxypregna-5,16-dien-20-one 3beta-Hydroxypregna-5,16-dien-20-one EINECS 214-602-8 NSC 15467 Pregna-5,16-dien-20-one, 3-hydroxy-, (3beta)- (9CI) Pregna-5,16-dien-20-one, 3beta-hydroxy- (8CI) delta16-Pregnenolone