Bumetanide Lactose Adduct Impurity

Chemical Name: 3-(butylamino)-5-(N-((3R,4R,5S,6R)-3,4-dihydroxy-6-(hydroxymethyl)-5-(((2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)tetrahydro-2H-pyran-2-yl)sulfamoyl)-4-phenoxybenzoic acid

Synonym: Febuxostat 4-Hydroxy Acid Impurity ; 2-(3-Cyano-4-hydroxyphenyl)-4-methyl-1,3-thiazole-5-carboxylic acid ;