16926-70-8 402730-77-2 BENZOIC ACID, p-((3-METHYL-5-OXO-1-PHENYL-2-PYRAZOLIN-4-YL)AZO)-, ETHYL ESTER BRN 0898877 Benzoic acid, 4-((4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo)-, ethyl ester EINECS 240-992-4 Ethyl 4-((4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo)benzoate NSC 114439 p-((3-Methyl-5-oxo-1-phenyl-2-pyrazolin-4-yl)azo)benzoic acid ethyl ester