CI 18736, Disodium Hydrogen Bis[5-chloro-3-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]-2-hydroxybenzenesulphonato(3-)]chromate(3-), Sodium 2-[[4-[(2-chloro-4-nitrophenyl)azo]-3-hydroxynaphthalen-2-yl]carbonyl]amino]naphthalene-1-sulfonate