1693-63-6 3-beta,21-Dihydroxypregn-5-en-20-one di(acetate) 3beta,21-Diacetoxy-5-pregnen-20-one EINECS 216-896-3 NSC 226895 Pregn-5-en-20-one, 3,21-bis(acetyloxy)-, (3beta)- (9CI)