tert-Butyl (S)-2-(2,5-dioxooxazolidin-4-yl)acetate
(S)-Benzyl 3-(2,5-dioxooxazolidin-4-yl)propanoate
(S)-Benzyl (4-(2,5-dioxooxazolidin-4-yl)butyl)carbamate
(S)-Benzyl 2-(2,5-dioxooxazolidin-4-yl)acetate
