1-Phenyl-2,3-dimethyl-4-propionylamino-5-pyrazolone 14077-43-1 5-25-14-00100 (Beilstein Handbook Reference) BRN 0620242 N-Antipyrinylpropionamide Propanamide, N-(2,3-dihydro-1,5-dimethyl-3-oxo-2-phenyl-1H-pyrazol-4-yl)- Propionamide, N-antipyrinyl-