N-(3-cyanopropyl)-4-phenylazetidin-2-one

[4-(2-oxo-4-phenylazetidin-1-yl)butyl]carbamic acid tert-butyl ester

1-(4-bromobutyl)-4-phenylazetidin-2-one

1-(4-chlorobutyl)-4-phenylazetidin-2-one

4-苯基-2-氮杂环丁酮