553-26-4
4,4'-联吡啶
+
20248-86-6
4,4'-二溴甲基联苯
→
~37%
134815-78-4
1,1'-[联苯-4,4'-二醇双(亚甲基)]双(4,4'-联吡啶)双(六氟磷酸盐)