[3.3]Paracyclophane

1,4-[4,1-Phenylenebis(trimethylene)]benzene

1,1'-Trimethylene-4,4'-trimethylenebisbenzene

1,1'-(Trimethylene)-4,4'-(trimethylene)bisbenzene

Tricyclo[10.2.2.25,8]octadeca-1(14),5,7,12,15,17-hexene

Tricyclo[10.2.2.25,8]octadeca-5,7,12,14(1),15,17-hexaene