87585-03-3

6α-Hydroxy Norgestrel Levonorgestrel EP IMP G 6α-Hydroxy Levonorgestrel Levonorgestrel EP impurity G 13-Ethyl-6alpha,17-dihydroxy-18,19- Levonorgestrel Impurity 7（Levonorgestrel EP Impurity G） 13-ethyl-6a,17-dihydroxy-18,19-dinor-17a-pregn-4-en-20-yn-3-one (6α,17α)-13-Ethyl-6,17-dihydroxy-18,19-dinorpregn-4-en-20-yn-3-one 18,19-Dinorpregn-4-en-20-yn-3-one, 13-ethyl-6,17-dihydroxy-, (6α,17α)- (9CI) (6R,13S,17R)-13-ethyl-17-ethynyl-6,17-dihydroxy-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3(2H)-one