Levonorgestrel EP Impurity J ;
6-Oxo Levonorgestrel ;
13-Ethyl-17-hydroxy-18,19-dinor-17α-pregn-4-en-20-yne-3,6-dione ;
CAS # 1175109-63-3 ;
C21H26O3 ;
MW: 326.43 ;
Levonorgestrel EP Impurity J ;
6-Oxo Levonorgestrel ;
13-Ethyl-17-hydroxy-18,19-dinor-17α-pregn-4-en-20-yne-3,6-dione ;
CAS # 1175109-63-3 ;
C21H26O3 ;
MW: 326.43 ;