845306-08-3
5-溴吡啶甲酸叔丁酯
→
1214339-84-0
[3,3-联吡啶]-6-羧酸
30766-11-1
5-溴-2-吡啶羧酸
1403333-26-5
tert-butyl 3,3'-bipyridine-6-carboxylate