128-20-1 3.alpha.,5.beta.-Epimeric pregnanolone 3.alpha.-Hydroxy-5.beta.-pregnan-20-one 3.alpha.-Hydroxy-5.beta.-tetrahydroprogesterone 5.beta.-Pregnan-20-one, 3.alpha.-hydroxy- NSC82867 Pregnan-20-one, 3-hydroxy-, (3.alpha.,5.beta.)- Pregnan-3.alpha.-ol-20-one Pregnanolone II SKF 6455 WLN: L E5 B666TJ A1 E1 FV1 OQ