2-chloro-3-(chloromethyl)naphthalene-1,4-dione

diethyl 2-methylideneheptanedioate

1-butyl-4-(chloromethyl)benzene

4,4,5,5-四甲基咪唑烷e

5-(chloromethyl)-3-methyl-1H-pyrimidine-2,4-dione