1H-Pyrazole-3-carboxylic acid, 4-((5-((4-(4,5-dihydro-3-methyl-5-oxo-4-((2-sulfo-5-((2,5,6-trichloro-4-pyrimidinyl)amino)phenyl)azo)-1H-pyrazol-1-yl)benzoyl)amino)-2-sulfophenyl)azo)-4,5-dihydro-5-oxo-1-(4-sulfophenyl)-, tetrasodium salt 1H-Pyrazole-3-carboxylic acid, 5-hydroxy-4-((5-((4-(5-hydroxy-3-methyl-4-((2-sulfo-5-((2,5,6-trichloro-4-pyrimidinyl)amino)phenyl)azo)-1H-pyrazol-1-yl)benzoyl)amino)-2-sulfophenyl)azo)-1-(4-sulfophenyl)-, tetrasodium salt 4-((5-((4-(4,5-Dihydro-3-methyl-5-oxo-4-((2-sulfo-5-((2,5,6-trichloro-4-pyrimidinyl)amino)phenyl)azo)-1H-pyrazol-1-yl)benzoyl)amino)-2-sulfophenyl)azo)-4,5-dihydro-5-oxo-1-(4-sulfophenyl)-1H-pyrazole-3-carboxylic acid, tetrasodium salt 70210-12-7 EINECS 274-408-4