[3.3]Metacyclophane

3,3'-Trimethylene(1,1'-trimethylenebisbenzene)

1,1'-(1,3-Propanediyl)-3,3'-(1,3-propanediyl)bisbenzene

Tricyclo[11.3.1.15,9]octadeca-1(17),5,7,9(18),13,15-hexaene

Tricyclo[11.3.1.15,9]octadecane-1(17),5(18),6,8,13,15-hexene

Tricyclo[11.3.1.15,9]octadecane-1(16),5,7,9(18),13(17),14-hexene