11-Ketopregnanolone 11-Oxopregnanolone 3.alpha.-Hydroxy-5.beta.-pregnane-11,20-dione 5.beta.-Pregnane-11,20-dione, 3.alpha.-hydroxy- 565-99-1 NSC82859 Pregnane-11,20-dione, 3-hydroxy-, (3.alpha.,5.beta.)- Renanolone