2-hydroxy-5-[N-(4-{(4-(pyridin-2-yl-sulfamoyl)-phenyl]sulfomoyl} phenyl) diazen-1-yl] benzoic acid; 2-hydroxy-5-((4-(N-(4-(N-(pyridin-2-yl)sulfamoyl)phenyl)sulfamoyl)phenyl)diazenyl)benzoic acid
2-hydroxy-5-[N-(4-{(4-(pyridin-2-yl-sulfamoyl)-phenyl]sulfomoyl} phenyl) diazen-1-yl] benzoic acid; 2-hydroxy-5-((4-(N-(4-(N-(pyridin-2-yl)sulfamoyl)phenyl)sulfamoyl)phenyl)diazenyl)benzoic acid