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tert-Butyl (2S)-4-oxo-2-(1,3-thiazolidin-3-yl carbonyl)pyrrolidine-1-carboxylate401564-36-1100 % similar 1,2-Bis(1,1-dimethylethyl) (2S)-4-oxo-1,2-pyrrolidinedicarboxylate166410-05-557 % similar 1-(1,1-Dimethylethyl) (2S)-4-oxo-1,2-pyrrolidinedicarboxylate84348-37-855 % similar 1-(tert-Butoxycarbonyl)-4-oxopyrrolidine-2-carboxylic acid876317-19-055 % similar 1-tert-Butyl 2-methyl (2S)-4-oxopyrrolidine-1,2-dicarboxylate102195-80-254 % similar (R)-1-tert-Butyl 2-methyl 4-oxopyrrolidine-1,2-dicarboxylate256487-77-154 % similar tert-Butyl 2-methyl-4-oxopiperidine-1-carboxylate190906-92-447 % similar 1-Piperidinecarboxylicacid,2-methyl-4-oxo-,1,1-dimethylethylester,(2R)-(9ci)790667-43-547 % similar 1-tert-Butyl 2-methyl 4-oxopiperidine-1,2-dicarboxylate81357-18-845 % similar 3-Oxo-azetidine-1-carboxylic acid tert-butyl ester398489-26-443 % similar 3-Oxopyrrolidine-1-carboxylic acid tert-butyl ester101385-93-743 % similar cis-tert-Butyl 5-oxohexahydrocyclopenta[c]pyrrole-2(1H)-carboxylate146231-54-142 % similar N-Boc-hexahydro-5-oxocyclopenta[C]pyrrole148404-28-842 % similar (S)-4-Methylene-pyrrolidine-1,2-dicarboxylic acid 1-tert-butyl ester84348-38-942 % similar tert-Butyl 4-oxopiperidine-1-carboxylate79099-07-342 % similar 1-Boc-3-piperidone98977-36-741 % similar 1-Boc-3-oxopiperazine76003-29-740 % similar 1-[(tert-Butoxy)carbonyl]azetidine-2-carboxylic acid159749-28-740 % similar Boc-D-azetidine-2-carboxylic acid228857-58-740 % similar 1-Boc-L-azetidine-2-carboxylic acid51077-14-640 % similar