(8S,9S,10R,13S,14S,16R,17R)-17-acetyl-16-hydroxy-10,13-dimethyl-1,2,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-3-one (8S,9S,10R,13S,14S,16R,17R)-17-ethanoyl-16-hydroxy-10,13-dimethyl-1,2,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-3-one NSC523249 16.alpha.-Hydroxyprogesterone NSC53910 Pregn-4-ene-3,20-dione, 16-hydroxy-, (16.alpha.)- Pregn-4-ene-3,20-dione, 16.alpha.-hydroxy- 16alpha-hydroxypregn-4-ene-3,20-dione 16alpha-hydroxyprogesterone1 CHEBI:15826