366-18-7
2,2'-联吡啶
+
109-64-8
1,3-二溴丙烷
→
~99%
2895-98-9
7,8-dihydro-6H-dipyrido[1,2-b:1',2'-e][1,4]diazepine-5,9-diium,dibromide
53344-72-2
6,6’-二氯-2,2’-联吡啶