Levonorgestrel IMpurity D | EP Levonorgestrel Impurity D |
(17α)-13-Ethyl-18,19-dinorpregn-4-en-20-yn-17-ol | (17a)-13-Ethyl-18,19-dinorpregn-4-en-20-yn-17-ol |
13-Ethyl-18,19-dinor-17a-pregn-4-en-20-yn-17-ol (Levo Norgestrel IMpurity) | 13-Ethyl-18,19-dinor-17α-pregn-4-en-20-yn-17-ol (Levo Norgestrel Impurity) |
13-Ethyl-18,19-dinor-17a-pregn-4-en-20-yn-17-ol(Levonorgestrel Impurity D) |
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