4-Acetamidoantipyrine 4-Acetaminoantipyrine 4-Acetoaminoantipyrine 4-Acetylaminophenazone 83-15-8 AI3-52432 Acetamide, N-(2,3-dihydro-1,5-dimethyl-3-oxo-2-phenyl-1H-pyrazol-4-yl)- (9CI) Acetamide, N-(antipyrinyl)- Acetamide, N-antipyrinyl- (8CI) Acetamidoantipyrine Acetylaminoantipyrine Acetylated 4-aminoantipyrine Antipyrine, 4-acetamido- EINECS 201-457-0 N-(2,3-Dimethyl-5-oxo-1-phenyl-3-pyrazolin-4-yl)acetamide N-Acetyl-4-aminoantipyrine N-Acetylaminoantipyrine NSC 331807