Synonyms: 2-Pyrazoline,1,3,5-triphenyl- (6CI,8CI);1,3,5-Triphenyl-2-pyrazoline;1,3,5-Triphenyl-4,5-dihydro-1H-pyrazole;1,3,5-Triphenyl-4,5-dihydropyrazole;1,3,5-Triphenyl-D2-pyrazoline;1,3,5-Triphenylpyrazoline;4,5-Dihydro-1,3,5-triphenyl-1H-pyrazole;C.I. 50550;C.I. Solvent Violet 57;KF 440RT;Luminofor Red-Violet 440RT;Luminor 8;Luminor Red Violet 440RT;NSC 43681;Red-Violet 440RT;Solvent Violet 57;1,3,5-triphenyl-4,5-dihydro-1H-pyrazole;1H-Pyrazole, 4,5-dihydro-1,3,5-triphenyl-;2,3,5-triphenyl-3,4-dihydropyrazole;