methyl 4,6,6-trichloro-3,3-dimethylhex-5-enoate

2-(2',2',2'-Trichloroethyl)-3,3-dimethyl-4-(p-bromophenyl)-sulfonyloxycyclobutanone

4-bromo-3-(2,2-dichlorovinyl)-2,2-dimethylcyclobutan-1-one

2,2-dimethyl-3-(β,β-dichlorovinyl)-cyclobutanone

methyl trans-3-(2,2-dichloroethenyl)-2,2-dimethylcyclopropanecarboxylate