Synonyms: Chromate(1-), (1-(2-(5-chloro-2-(hydroxy-kappaO)phenyl)diazenyl-kappaN1)-2-naphthalenolato(2-)-kappaO)(2,4-dihydro-4-(2-(2-(hydroxy-kappaO)-4-nitrophenyl)diazenyl-kappaN1)-5-methyl-2-phenyl-3H-pyrazol-3-onato(2-)-kappaO3)-, hydrogen (1:1);Chromate(1-), (2,4-dihydro-4-((2-hydroxy-4-nitrophenyl)azo)-5-methyl-2-phenyl-3H-pyrazol-3-onato(2-))(1-((2-hydroxy-5-chlorophenyl)azo)-2-naphthalenolato)-, hydrogen;Chromate(1-), (1-((5-chloro-2-(hydroxy-kappaO)phenyl)azo-kappaN1)-2-naphthalenolato(2-))(2,4-dihydro-4-((2-(hydroxy-kappaO)-4-nitrophenyl)azo-kappaN1)-5-methyl-2-phenyl-3H-pyrazol-3-onato(2-)-kappaO3)-, hydrogen;Hydrogen (1-((5-chloro-2-hydroxyphenyl)azo)-2-naphtholato(2-))(2,4-dihydro-4-((2-hydroxy-4-nitrophenyl)azo)-5-methyl-2-phenyl-3H-pyrazol-3-onato(2-))chromate(1-);chromium(3+) hydrogen 1-[(E)-(5-chloro-2-oxidophenyl)diazenyl]naphthalen-2-olate 3-methyl-4-[(E)-(4-nitro-2-oxidophenyl)diazenyl]-1-phenyl-1H-pyrazol-5-olate (1:1:1:1)