1202704-61-7
1,2-diamino-4-bromo-pyridinium 2,4,6-trimethyl-benzenesulfonate
+
4755-77-5
草酰氯单乙酯
→
~59%
1380331-36-1
ethyl 7-bromo-[1,2,4]triazolo[1,5-a]pyridine-2-carboxylate
84249-14-9
4-溴吡啶-2-胺