944402-15-7
4-fluoropyridin-2-amine trifluoroacetate
→
~65%
944401-69-8
5-溴-4-氟吡啶-2-胺
944401-77-8
2-氨基-4-氟吡啶
1237535-76-0
tert-butyl 4-fluoropyridin-2-ylcarbamate
34941-91-8
2-氯-4-氟吡啶