49669-22-9
6,6'-二溴-2,2'-联吡啶
+
64-17-5
乙醇
201230-82-2
carbon monoxide
→
~87%
65739-40-4
ethyl 6-(6-ethoxycarbonylpyridin-2-yl)pyridine-2-carboxylate
4479-74-7
2,2'-联吡啶-6,6'-二羧酸
~83%