tert-Butyl (2S)-2-(methoxycarbonyl)-4-oxopyrrolidine-1-carboxylate
|
1-tert-Butyl 2-methyl (2S)-4-oxopyrrolidine-1,2-dicarboxylate
|
(2S)-4-Oxo-1-(tert-butoxycarbonyl)pyrrolidine-2-carboxylic acid methyl ester
|
(2S)-2-(甲氧羰基)-4-氧代吡咯烷-1-羧酸叔丁酯
|
(2S)-4-氧代-1-(叔丁氧基羰基)吡咯烷-2-羧酸甲酯
|
1-叔丁基 2-甲基 (2S)-4-氧代吡咯烷-1,2-二羧酸酯
|