1-(2-Chlorophenyl)-3-methyl-4-((2-hydroxy-5-nitrophenyl)azo)-5-oxo-4,5-dihydro-1H-pyrazole, chromium complex, sodium salt 75199-04-1 Chromate(1-), bis(2-(2-chlorophenyl)-2,4-dihydro-4-((2-(hydroxy-kappaO)-5-nitrophenyl)azo-kappaN1)-5-methyl-3H-pyrazol-3-onato(2-)-kappaO3)-, sodium Chromate(1-), bis(2-(2-chlorophenyl)-2,4-dihydro-4-((2-hydroxy-5-nitrophenyl)azo)-5-methyl-3H-pyrazol-3-onato(2-))-, sodium