2,3-dimethyl-but-1->3-enyl

6-chloro-2,6,7,7-tetramethyloct-2-ene

7-chloro-2,6,6,7-tetramethyloct-2-ene

8-chloro-5-(2-chloropropan-2-yl)-2,8,9,9-tetramethyldec-2-ene

1,2,3,3,6,6-hexamethylcyclohexene