1-(2',5'-Dichloro-4'-sulfophenyl)-3-methyl-4-(2''-sulfo-5''-(4'''-chloro-6'''-(2''''-methyl-4''''-sulfophenylamino)-1''',3''',5'''-triazinyl-2'''-amino)phenylazo)-5-pyrazolone, sodium salt 72829-26-6 Benzenesulfonic acid, 4-((4-chloro-6-((2-methyl-4-sulfophenyl)amino)-1,3,5-triazin-2-yl)amino)-2-((1-(2,5-dichloro-4-sulfophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl)azo)-, trisodium salt Benzenesulfonic acid, 4-((4-chloro-6-((2-methyl-4-sulfophenyl)amino)-s-triazin-2-yl)amino)-2-((1-(2,5-dichloro-4-sulfophenyl)-5-hydroxy-3-methyl-1H-pyrazol-4-yl)azo)-, trisodium salt EINECS 276-913-5 Trisodium 4-((4-chloro-6-((2-methyl-4-sulphonatophenyl)amino)-1,3,5-triazin-2-yl)amino)-2-((1-(2,5-dichloro-4-sulphonatophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl)azo)benzenesulphonate