116241-53-3
tetrafluoro-l4-borane, 1-fluoro-4-methylpyridin-1-ium salt
→
~82%
461-87-0
2-氟-4-甲基吡啶
4926-28-7
2-溴-4-甲基吡啶
~64%
695-34-1
2-氨基-4-甲基吡啶
~49%
108-89-4
4-甲基吡啶
~30%
~22%
+
5327-32-2
2-(乙酰氨基)-4-甲基吡啶
75-05-8
乙腈
~21%