(R)-tert-butyl 4-oxo-2-(thiazolidine-3-carbonyl)pyrrolidine-1-carboxylate; (2R)-4-Oxo-2-(3-thiazolidinylcarbonyl)-1-pyrrolidinecarboxylic Acid 1,1-Dimethylethyl Ester
(R)-tert-butyl 4-oxo-2-(thiazolidine-3-carbonyl)pyrrolidine-1-carboxylate; (2R)-4-Oxo-2-(3-thiazolidinylcarbonyl)-1-pyrrolidinecarboxylic Acid 1,1-Dimethylethyl Ester