asymm. Benzoyl-o-xylol, (3,4-Dimethylphenyl)(phenyl)methanone, Methanone,(3,4-dimethylphenyl)phenyl, 3,4-dimethyl-benzophenone, 3,4-dimethylphenyl phenyl ketone, Methanone, (3,4-dimethylphenyl)phenyl-, Phenyl-(3.4-dimethyl-phenyl)-keton, 3,4-DiMethylbenzophenone, 3,4-Dimethyl-benzophenon