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Potassium Impurity 4 Clavulanic acid Impurity J Potassium Clavulanate Impurity1352 ClavulanatePotassiumEPImpurityJDiHCl Potassium Clavulanate EP Impurity J DiHCl N,N,3-Trimethylbutan-1-amine Dihydrochloride N, N, N', N'-tetramethylethylendiammonium dichloride N,N,N',N'-TETRAMETHYLETHYLENEDIAMINE DIHYDROCHLORIDE N1,N1,N2,N2-tetramethylethane-1,2-diamine dihydrochloride Clavulanate Potassium Impurity 9(Clavulanate Potassium EP Impurity J)