(3S,5R)-benzyl 3-((tert-butoxycarbonyl)amino)-5-fluoropiperidine-1-carboxylate
tert-butyl ((3S,5R)-5-fluoropiperidin-3-yl)carbamate
(3S,5R)-benzyl 3-azido-5-fluoropiperidine-1-carboxylate
(3R,5R)-benzyl 3-fluoro-5-((methylsulfonyl)oxy)piperidine-1-carboxylate