72721-17-6
ethyl 6-methyl-3,5-dinitroimidazo[1,2-a]pyridine-2-carboxylate
→
~30%
70705-30-5
6-甲基咪唑并[1,2-A]砒啶-2-羧酸乙酯
1603-41-4
2-氨基-5-甲基吡啶
+
70-23-5
3-溴丙酮酸乙酯