Similar names: Propyphenazone; 3H-Pyrazol-3-one, 1,2-dihydro-1,5-dimethyl-4-(1-methylethyl)-2-phenyl-; Antipyrine, 4-isopropyl- (6CI,7CI,8CI); 1,2-Dihydro-1,5-dimethyl-4-(1-methylethyl)-2-phenyl-3H-pyrazol-3-one; 1,2-Dihydro-1,5-dimethyl-2-phenyl-4-isopropyl-3H-pyrazol-3-one; 1,5-Dimethyl-2-phenyl-4-propan-2-ylpyrazol-3-one; 1-Phenyl-2,3-dimethyl-4-isopropyl-3-pyrazolin-5-one; 1-Phenyl-2,3-dimethyl-4-isopropylpyrazol-5-one; 4-Isopropyl-2,3-dimethyl-1-phenyl-3-pyrazolin-5-one; 4-Isopropylantipyrine; 4-Isopropylphenazone; Arantil P; Budirol; Causyth; Cibalgina; Eufibron; Isopropchin; Isopropylantipyrin; Isopropylantipyrine; Isopropylphenazone; Isopropyrine; Larodon; Propyfenazone; Propyphenazone