12226-18-5 2,7-Naphthalenedisulfonic acid, 5-(((2,3-dichloro-6-quinoxalinyl)carbonyl)amino)-4-hydroxy-3-((2-sulfophenyl)azo)-, trisodium salt 2407-13-8 4-(((2,3-Dichloro-6-quinoxalinyl)carbonyl)amino)-5-hydroxy-6-((2-sulfophenyl)azo)-2,7-naphthalenedisulfonic acid, trisodium salt 5-(((2,3-Dichloroquinoxalin-6-yl)carbonyl)amino)-4-hydroxy-3-((2-sulfophenyl)azo)-2,7-naphthalenedisulfonic acid, trisodium salt EINECS 219-303-6 Trisodium 5-(((2,3-dichloro-6-quinoxalinyl)carbonyl)amino)-4-hydroxy-3-((2-sulphonatophenyl)azo)naphthalene-2,7-disulphonate