英文同义词:
Pregna-4,14-diene-3,20-dione;Progesterone EP Impurity A (Pregna-4,14-diene-3,20-dione);Progesterone Impurity 1(Progesterone EP Impurity A);Progesterone EP Impurity A;(8R,9S,10R,13R,17S)-17-acetyl-10,13-dimethyl-6,7,8,9,10,11,12,13,16,17-decahydro-1H-cyclopenta[a]phenanthren-3(2H)-one;Progesterone 6-Oxo Impurity;Progesterone Impurity A (Pregna-4,14-diene-3,20-dione)