(2020/06/19)
benzyl cis-3-fluoro-4-hydroxypiperidine-1-carboxylate
benzyl 3-fluoro-4-oxopiperidine-1-carboxylate
N-tert-butyloxycarbonylpiperidin-4-one
3-fluoro-4-hydroxypiperidine-1-carboxylic acid tert-butyl ester
tert-butyl-3-fluoro-4-oxopiperidine-1-carboxylate