3-氯-2,2-二甲基-N-苯基丙胺

3,3-二甲基-1-(2-硝基-4-(三氟甲基)苯基)氮杂啶-2-酮

diethyl 4,4-dimethyl-5-oxopyrrolidine-2,2-dicarboxylate

diethyl 2-(3,3-dimethyl-2-oxoazetidin-1-yl)propanedioate

ethyl 3-(3,3-dimethyl-2-oxoazetidin-1-yl)but-2-enoate