2,3-Dihydro-1,5-dimethyl-3-oxo-2-phenyl-1H-pyrazole-4-carboxaldehyde; Antipyraldehyde; 2,3-Dimethyl-4-formyl-1-phenyl-5-pyrazolone; 1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazole-4-carboxaldehyde; 2,3-Dimethyl-5-oxo-1-phenyl-3-pyrazoline-4-carboxaldehyde; 4-Antipyrinecarboxaldehyde; 4-Formyl-2,3-dimethyl-1-phenyl-3-pyrazolin-5-one; 4-Formyl-2,3-dimethyl-1-phenyl-3-pyrazoline-5-one; NSC 60408;

A derivative of the analgesic drug Antipyrene with antiviral activity.