1,4-Benzenedisulfonic acid, 2-((4-chloro-6-methoxy-1,3,5-triazin-2-yl)amino)-5-((4,5-dihydro-3-methyl-5-oxo-1-(4-sulfophenyl)-1H-pyrazol-4-yl)azo)-, trisodium salt 2-((4-Chloro-6-methoxy-1,3,5-triazin-2-yl)amino)-5-((4,5-dihydro-3-methyl-5-oxo-1-(4-sulfophenyl)-1H-pyrazol-4-yl)azo)-1,4-benzenedisulfonic acid,trisodium salt 41973-82-4 EINECS 255-600-7 Trisodium 2-((4-chloro-6-methoxy-1,3,5-triazin-2-yl)amino)-5-((4,5-dihydro-3-methyl-5-oxo-1-(4-sulphonatophenyl)-1H-pyrazol-4-yl)azo)benzene-1,4-disulphonate