64-18-6
Formic acid
+
1019918-39-8
1-(4-溴吡啶-2-基)肼
→
~90%
832735-60-1
7-溴-1,2,4-噻唑并[4,3-a]吡啶
128071-98-7
4-溴-2-氟吡啶