85188-21-2 Benzenesulfonic acid, 3-((5-((4-(((4-((4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl)azo)phenyl)amino)carbonyl)phenyl)azo)-2,4-dihydroxyphenyl)azo)-4-hydroxy-, monosodium salt EINECS 286-212-6 Sodium 3-((5-((4-((4-((4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl)azo)anilino)carbonyl)phenyl)azo)-2,4-dihydroxyphenyl)azo)-4-hydroxybenzenesulphonate