13-ethyl-17-hydroxy-18,19-dinor-17α-pregna-5,7,9-trien-20-yn-3-one Δ5(10),6,8(9)-D-(-)-Norgestrel
We provide customized and high-quality Levonorgestrel EP Impurity W product for your project.
An impurity of Levonorgestrel, an emergency contraceptive used to prevent pregnancy.
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