Synonyms: Chromate(2-), (3-((4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo)-4-hydroxy-5-nitrobenzenesulfonato(3-))(2-((2-hydroxy-5-methoxyphenyl)azo)-4,6-dinitrophenolato(2-))-, sodium;Chromate(2-), (3-((4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo)-4-hydroxy-5-nitro benzenesulfonato(3-))(2-((2-hydroxy-5-methoxyphenyl)azo)-4,6-dinitrophenolato(2-))-, sodium