106533-26-0 1H-Pyrazole-3-carboxylic acid, 4-((4-(((2,3-dichloro-6-quinoxalinyl)carbonyl)amino)-2-sulfophenyl)azo)-4,5-dihydro-5-oxo-1-(4-sulfophenyl)-, trisodium salt 2-((3-Carboxy-5-oxo-1-(4-sulfophenyl)-4,5-dihydro-1H-pyrazol-4-yl)azo)-5-(((2,3-dichloroquinoxalin-6-yl)carbonyl)amino)benzenesulfonic acid, trisodium salt 4-((4-(((2,3-Dichloro-6-quinoxalinyl)carbonyl)amino)-2-sulfophenyl)azo)-4,5-dihydro-5-oxo-1-(4-sulfophenyl)-1H-pyrazole-3-carboxylic acid trisodium salt 75199-00-7 EINECS 278-108-4 Trisodium 4-((4-(((2,3-dichloro-6-quinoxalinyl)carbonyl)amino)-2-sulphonatophenyl)azo)-4,5-dihydro-5-oxo-1-(4-sulphonatophenyl)-1H-pyrazole-3-carboxylate