3-hydroxyimino-1-(4-methoxyphenyl)azetidin-2-one

1-(4-methoxyphenyl)-3-methylideneazetidin-2-one

N-(4-methoxyphenyl)-2-methylprop-2-enamide

1-(4-methoxyphenyl)azetidine-2,3-dione

1-(4-methoxyphenyl)-3-methyl-3-phenylsulfanylazetidin-2-one