DISODIUM 2-((4-((2-AMINO-4-((4,5-DIHYDRO-3-METHYL-5-OXO-1-(4-SULFONATOPHENYL)-1H-PYRAZOL-4-YL)AZO)-5-NITROPHENYL)AZO)PHENYL)AMINO)-5-NITROBENZENESULFONATE
disodium 2-((4-((2-amino-4-((4,5-dihydro-3-methyl-5-oxo-1-(4-sulfonatophenyl)-1h-pyrazol-4-yl)azo)-5-nitrophenyl)azo)phenyl)amino)-5-nitrobenzenesulfonate