2-((3-Methyl-5-oxo-1-phenyl-2-pyrazolin-4-yl)azo)benzoic acid, sodium salt 2-((4,5-Dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo)benzoicacid, sodium salt 67786-26-9 Benzoic acid, 2-((4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo)-, sodium salt EINECS 267-098-7 Sodium 2-((4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo)benzoate