12238-03-8 12239-46-2 16893-48-4 181188-60-3 4-((4-Chloro-6-((4-sulphophenyl)amino)-1,3,5-triazin-2-yl)amino)-2-((1-(2,5-dichloro-4-sulphophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl)azo)benzenesulphonic acid Benzenesulfonic acid, 4-((4-chloro-6-((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)- EINECS 240-932-7