213193-28-3
1-(5-bromo-2-pyridyl)pyrrolidine-2,5-dione
→
~70%
928775-04-6
1-(5-溴-2-吡啶基)-2-吡咯烷酮
1072-97-5
2-氨基-5-溴吡啶
+
927-58-2
4-溴丁酰氯
~63%
616-45-5
2-吡咯烷酮
53939-30-3
5-溴-2-氯吡啶
624-28-2
2,5-二溴吡啶