LNG01: Levonorgestrel EP Impurity A

LNG01: Levonorgestrel EP Impurity A

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Levonorgestrel EP Impurity A ;

13-Ethyl-17-hydroxy-18,19-dinor-17α-pregna-4,8(14)-dien-20-yn-3-one ;

CAS # 110785-09-6 ; 1260525-53-8 ;

C21H26O2 ;

MW: 310.43 ;