83733-23-7 Chromate(2-), (3-((4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo)-4-hydroxy-5-nitrobenzenesulfonato(3-))(2-(((2-hydroxyphenyl)methylene)amino)-4-nitrophenolato(2-)-N2,O1,O2)-, disodium Disodium (3-((4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo)-4-hydroxy-5-nitrobenzenesulphonato(3-))(2-((2-hydroxybenzylidene)amino)-4-nitrophenolato(2-)-N2,O1,O2)chromate(2-) EINECS 280-676-3