Etonogestrel Desogestrel EP Impurity D Desogestrel Related Compound C (17α)-13-Ethyl-17-hydroxy-11-methylene-18 19-dinorpregn-4-en-20-yn-3-one 3-Keto-desogestrel 3-Oxo-desogestrel
Etonogestrel Desogestrel EP Impurity D Desogestrel Related Compound C (17α)-13-Ethyl-17-hydroxy-11-methylene-18 19-dinorpregn-4-en-20-yn-3-one 3-Keto-desogestrel 3-Oxo-desogestrel