416852-82-9
N-Boc-4-氟-4-哌啶甲酸乙酯
→
918431-92-2
tert-butyl 4-carbamoyl-4-fluoropiperidine-1-carboxylate
918431-93-3
4-氰基-4-氟-1-哌啶羧酸 1,1-二甲基乙酯