3-氟氮杂环丁烷盐酸盐

1-乙酰基-3-羟基氮杂环丁烷

1-苄氧羰基-3-羟基氮杂环丁烷

N-Boc-3-羟基氮杂环丁烷

1-cyclopropyl-6,8-difluoro-7-(3-hydroxyazetidin-1-yl)-4-oxoquinoline-3-carboxylic acid