2,5-二氟吡啶

4-氨基-3-氯-2,5,6-三氟吡啶

2,3,6-三氟-4-吡啶胺(9ci)

2,3,6-三氟-4-甲氧基吡啶

5-chloro-2,2,3,3,4,6-hexafluoropyridine