1,2-(4,5-[2.2]paracyclophano)-cyclohepta-1,3-diene

3,7-diselena-1(1,4)-naphthalena-5(1,4)-benzenacyclooctaphane

4,5-Tetramethylen-[2.2]-paracyclophan

对二甲苯二聚体

racemic 5-oxo-4,5,6,7-tetrahydro[2]paracyclo[2](1,4)naphthalenophane