1819-14-3

Progesterone Impurity 37 Dydrogesterone EP Impurity D 3β-Hydroxy-9β,10α-pregna-5,7-dien-20-one (3β,9β,10α)-3-Hydroxy-pregna-5,7-dien-20-one "(3β,9β,10a)-3-Hydroxy-pregna-5,7-dien-20-one" 1-((3S,9R,10S,13S,14R,17S)-3-Hydroxy-10,13-dimethyl-2,3,4,9,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-17-yl)ethanone