124-41-4
甲醇钠
+
22918-01-0
2-溴-4-氯吡啶
→
~25%
89488-29-9
2-溴-4-甲氧基吡啶
36953-40-9
2-溴-4-羟基吡啶
74-88-4
甲基碘
~23%