3-Pyridinemethanesulfonic acid, 5-((5-((4-chloro-6-((3-sulfophenyl)amino)-1,3,5-triazin-2-yl)amino)-2-sulfophenyl)azo)-1-ethyl-1,2-dihydro-6-hydroxy-4-methyl-2-oxo- 36508-10-8 5-((5-((4-Chloro-6-((3-sulphophenyl)amino)-1,3,5-triazin-2-yl)amino)-2-sulphophenyl)azo)-1-ethyl-1,2-dihydro-6-hydroxy-4-methyl-2-oxopyridine-3-methanesulphonic acid EINECS 253-075-9