5-chloro-2,2-dimethylhex-4-enal

5-chloro-2-ethylhex-4-enal

[(E)-3-chlorobut-2-enyl]sulfanylbenzene

3-chloro-1-p-tolyl-but-2ξ-ene

2-(3-chloro-but-2-enyl)-3-methyl-cyclohex-2-enone