Synonyms: EINECS 251-436-5;AC1L4Q1K;10027-12-0;102382-72-9;13011-63-7;20714-20-9;33270-70-1;59459-49-3;6472-55-5;65979-96-6;66009-93-6;Chromate(1-), bis(2,4-dihydro-4-((2-(hydroxy-kappaO)-4-nitrophenyl)azo-kappaN1)-5-methyl-2-phenyl-3H-pyrazol-3-onato(2-)-kappaO3)-, hydrogen;Chromate(1-), bis(2,4-dihydro-4-((2-hydroxy-4-nitrophenyl)azo)-5-methyl-2-phenyl-3H-pyrazol-3-onato(2-))-, hydrogen;Chromate(1-), bis(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);chromium; 4-[[4-(dioxidoamino)-6-oxocyclohexa-2,4-dien-1-ylidene]hydrazinylidene]-5-methyl-2-phenylpyrazol-3-one; hydron; 5-methyl-4-[(4-nitro-2-oxidophenyl)diazenyl]-2-phenylpyrazol-3-olate;Hydrogen bis(2,4-dihydro-4-((2-hydroxy-4-nitrophenyl)azo)-5-methyl-2-phenyl-3H-pyrazol-3-onato(2-))chromate(1-)