Synonyms: Chromate(1-),[5-chloro-3-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]-2-hydroxybenzenesulfonato(3-)]hydroxy-,hydrogen; Chromate(1-), [5-chloro-3-[[4,5-dihydro-3-methyl-5-(oxo-kO)-1-phenyl-1H-pyrazol-4-yl]azo-kN1]-2-(hydroxy-kO)benzenesulfonato(3-)]hydroxy-,hydrogen (9CI); Benzenesulfonic acid,5-chloro-3-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]-2-hydroxy-,chromium complex