N-(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)acetamide;N-(2,3-Dihydro-1,5-dimethyl-3-oxo-2-phenyl-1H-pyrazol-4-yl)acetamide; 4-(N-Acetylamino)antipyrine; 4-Acetylaminophenazone; Acetylaminoantipyrine; N-Acetyl-4-aminoantipyrine; N-Acetyl-4-aminophenazone; N-Antipyrinylacetamide; NSC 331807
