1H-Pyrazole-3-carboxylic acid, 1-(3-aminophenyl)-4-((3-((3-((1-(3-aminophenyl)-3-carboxy-4,5-dihydro-5-oxo-1H-pyrazol-4-yl)azo)benzoyl)amino)phenyl)azo)-4,5-dihydro-5-oxo-, disodium salt 6391-21-5 Disodium 1-(3-aminophenyl)-4-((3-((3-((1-(3-aminophenyl)-3-carboxylato-4,5-dihydro-5-oxo-1H-pyrazol-4-yl)azo)benzoyl)amino)phenyl)azo)-4,5-dihydro-5-oxo-1H-pyrazole-3-carboxylate EINECS 229-000-0