1,4-dimethyl-2-[(4-methylphenyl)methyl]benzene

2,5-二甲基联苯

1,4-dimethyl-2-(2-methylphenyl)benzene

2-(2,5-dimethylphenyl)-1-phenylethanone

1-bromo-4-(bromomethyl)-2,5-dimethylbenzene