1-Phenyl-2,3-dimethyl-4-p-aminobenzoylamino-5-pyrazolone 24891-21-2 4-p-Aminobenzoylaminoantipyrine 5-25-14-00142 (Beilstein Handbook Reference) Ambepyrine Antipyrine, 4-(p-aminobenzamido)- (6CI,7CI) BRN 0625477 Benzamide, 4-amino-N-(2,3-dihydro-1,5-dimethyl-3-oxo-2-phenyl-1H-pyrazol-4-yl)- Benzamide, p-amino-N-antipyrinyl- p-Amino-N-antipyrinylbenzamide p-Aminobenzoic acid antipyrylamide