72496-86-7 EINECS 276-699-3 Ferrate(2-), (3-(4,5-dihydro-4-((2-(hydroxy-kappaO)-5-nitrophenyl)azo-kappaN1)-3-methyl-5-(oxo-kappaO)-1H-pyrazol-1-yl)benzenesulfonamidato(2-))(4-(4,5-dihydro-4-((2-(hydroxy-kappaO)-5-nitrophenyl)azo-kappaN1)-3-methyl-5-(oxo-kappaO)-1H-pyrazol-1-yl)benzenesulfonato(3-))-, disodium Ferrate(2-), (3-(4,5-dihydro-4-((2-hydroxy-5-nitrophenyl)azo)-3-methyl-5-oxo-1H-pyrazol-1-yl)benzenesulfonamidato(2-))(4-(4,5-dihydro-4-((2-hydroxy-5-nitrophenyl)azo)-3-methyl-5-oxo-1H-pyrazol-1-yl)benzenesulfonato(3-))-, disodium