英文名称:18,19-Dinorpregna-4,8(14)-Dien-20-Yn-3-One, 13-Ethyl-17-Hydroxy-, (17Α)-; Levonorgestrel Ep Impurity Aq: What Is
Levonorgestrel Ep Impurity A Q: What Is The Cas Number Of
Levonorgestrel Ep Impurity A; (9R,10R,13S,17R)-13-ethyl-17-ethynyl-17-hydroxy-1,2,6,7,9,10,11,12,15,16-decahydrocyclopenta[a]phenanthren-3-one; 13-Ethyl-17-Hydroxy-18,19-Dinor-17A-Pregna-4,8(14)-Dien-20-Yn-3-One; Levonorgestrel Ep Impurity A