1111637-73-0
1-(5-溴-2-氟吡啶-3-基)乙醇
→
~61%
1111637-74-1
5-溴-2-氟-3-乙酰基吡啶
875781-15-0
2-氟-5-溴吡啶-3-甲醛
766-11-0
2-氟-5-溴吡啶