3-chloro-1-(2,5-dimethylphenyl)propan-1-one

2-bromo-1,4-bis(bromomethyl)benzene

1-methyl-4-(trimethoxymethyl)benzene

1-(甲氧基甲基)-4-甲基苯

1-(二甲氧基甲基)-4-甲基苯