Buy high quality Levonorgestrel EP Impurity B with CAS No - 19914-67-1 from Chemicea Pharma. Chemicea Pharma is one of the leading manufacturer and exporter of Levonorgestrel EP Impurity B
Chemical Name:13-Ethyl-17-hydroxy-18,19-dinor-17α-pregn-5(10)-en-20-yn-3-one (as per EP)
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