(8R,9S,10R,13S,14S,17R)-17-acetyl-10,13-dimethyl-3-oxo-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl acetateHydroxyprogesterone Acetate17-Hydroxypregn-4-ene-3,20-dione Acetate17-(Acetyloxy)progesteroneU 553317-Acetoxy-progesterone17α-Acetoxypregn-4-ene-3,20-dioneProgesterone AcetateNSC 1219117-Acetoxypregn-4-ene-3,20-dione17-(Acetyloxy)pregn-4-ene-3,20-dione17-Hydroxyprogesterone Acetate17α-Acetoxy-4-pregnene-3,20-dione4-Pregnen-17α-ol-3,20-dione acetate17α-Acetoxyprogesterone17α-Hydroxyprogesterone 17-acetate17α-Hydroxy-4-pregnene-3,20-dione 17-acetate