105025-74-9 154613-01-1 157249-17-7 2-((4,5-Dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo)benzoic acid 2898-84-2 66422-06-8 73697-13-9 86946-91-0 Benzoic acid, 2-((4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo)- EINECS 220-785-5