19798-80-2
2-氨基-4-氯吡啶
+
1027194-45-1
→
~86%
1296201-68-7
Ethyl 7-chloroimidazo[1,2-a]pyridine-3-carboxylate
1072-98-6
2-氨基-5-氯吡啶
33142-21-1
(氯甲酰基)乙酸乙酯
~17%