72812-20-5 Chromate(3-), bis(2-((4,5-dihydro-3-methyl-5-(oxo-kappaO)-1-phenyl-1H-pyrazol-4-yl)azo-kappaN1)-4-sulfobenzoato(3-)-kappaO)-, trihydrogen Chromate(3-), bis(2-((4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo)-4-sulfobenzoato(3-))-, trihydrogen