dimethyl 4,5-dimethylbenzene-1,2-dicarboxylate

dimethyl 3,4-dimethylphthalate

4-乙烯基-1,2-二甲基-苯

tert-butyl-(3,4-dimethylphenyl)-difluorosilane

methyl 4-(3,4-dimethylphenyl)benzoate