Synonyms: Acetophenone,2,2,2-triphenyl- (7CI,8CI);Ethanone, tetraphenyl- (9CI);b-Benzopinacolone (6CI);1,2,2,2-Tetraphenyl-1-ethanone;1,2,2,2-Tetraphenylethanone;Benzopinacolone;NSC 194;NSC 2820;Phenyl tritylketone;Tetraphenylethanone;w,w,w-Triphenylacetophenone;