Sulfasalazine specified impurity E; 2-hydroxy-4'-(N-(pyridin-2-yl)sulfamoyl)-5-((4-(N-(pyridin-2-yl)sulfamoyl)phenyl)diazenyl)-[1,1'-biphenyl]-3-carboxylic acid; 3-[4-(2-Pyridylsulfamoyl)phenyl] Sulfasalazine
Sulfasalazine specified impurity E; 2-hydroxy-4'-(N-(pyridin-2-yl)sulfamoyl)-5-((4-(N-(pyridin-2-yl)sulfamoyl)phenyl)diazenyl)-[1,1'-biphenyl]-3-carboxylic acid; 3-[4-(2-Pyridylsulfamoyl)phenyl] Sulfasalazine