1383080-55-4
ethyl 7-chloroimidazo[1,2-a]pyridine-2-carboxylate hydrobromide
→
~76%
1204501-38-1
7-氯-咪唑并[1,2-a]吡啶-2-羧酸乙酯
19798-80-2
2-氨基-4-氯吡啶
+
70-23-5
3-溴丙酮酸乙酯
~56%
1020038-42-9
7-氯咪唑并[1,2-a]吡啶-2-羧酸