Tricyclo[8.2.2.2~4,7~]hexadeca-1(12),4,6,10,13,15-hexaene[2.2]Paracyclophane 97%[2.2]Paracyclophane对二甲苯二聚体[2.2]ParacyclophaneTricyclo[8.2.2.24,7]hexadeca-4,6,10,12,13,15-hexaene三环[8.2.2.24,7]十六-4,6,10,12,13,15-己烯DI-p-XYLENEtricyclo[8.2.2.2^{4,7}]hexadeca-1(12),4,6,10,13,15-hexaene