英文别名17a-Hydroxy-11-oxoandrosta-1,4-dien-3-one-17-carboxylic acid; 17α-hydroxy-11-oxoandrosta-1,4-dien-3-one-17β-carboxylic acid; Progesterone Impurity 22; Androsta-1,4-diene-17-carboxylic acid, 17-hydroxy-3,11-dioxo-, (17α)-; (9S,10R,13S,14S,17R)-17-hydroxy-10,13-dimethyl-3,11-dioxo-6,7,8,9,12,14,15,16-octahydrocyclopenta[a]phenanthrene-17-carboxylicacid; (17α)-17-Hydroxy-3,11-dioxoandrosta-1,4-diene-17-carboxylic acid; Prednisone EP Impurity J 
