3-氯-2,4-二氟吡啶

(4,6-二氟-2-吡啶)-肼

2,4,6-trifluoro-3-(triethylsilyl)pyridine

2,4-difluoro-6-hydrazino-3-(triethylsilyl)pyridine

3,4-二氯-2-氟吡啶