(4-nitrophenyl)methyl 3-hydroxyazetidine-1-carboxylate

1-苄氧羰基-3-羟基氮杂环丁烷

N-Boc-3-羟基氮杂环丁烷

1-(4-methylphenyl)sulfonylazetidin-3-ol

3-羟基-1-(1,3-噻唑-2-基)氮杂丁烷