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tert-Butyl (2S)-4-oxo-2-(1,3-thiazolidin-3-yl carbonyl)pyrrolidine-1-carboxylate401564-36-139 % similar 1-(1,1-Dimethylethyl) (2S)-4,4-dimethyl-1,2-pyrrolidinedicarboxylate1001353-87-239 % similar 1-tert-Butyl 2-methyl (2S)-4-oxopyrrolidine-1,2-dicarboxylate102195-80-239 % similar 3-(1-((tert-Butoxy)carbonyl)piperidin-4-yl)propanoic acid154775-43-639 % similar (R)-1-tert-Butyl 2-methyl 4-oxopyrrolidine-1,2-dicarboxylate256487-77-139 % similar Boc-3,4-dehydro-pro-oh51154-06-439 % similar 1,1-Dimethylethyl (2S,4R)-4-hydroxy-2-(hydroxymethyl)-1-pyrrolidinecarboxylate61478-26-039 % similar 3-Oxopyrrolidine-1-carboxylic acid tert-butyl ester101385-93-739 % similar N-Boc-N-methylethylenediamine121492-06-639 % similar tert-Butyl 3-formylazetidine-1-carboxylate177947-96-539 % similar tert-Butyl 4,4-difluoropiperidine-1-carboxylate281652-10-639 % similar tert-Butyl 3-methoxyazetidine-1-carboxylate429669-07-839 % similar (2-Hydroxyethyl)methylcarbamic acid 1,1-dimethylethyl ester57561-39-439 % similar 1,1-Dimethylethyl (2R)-2-(((2,5-dioxo-1-pyrrolidinyl)oxy)carbonyl)-1-pyrrolidinecarboxylate102185-34-238 % similar 1,2-Dimethyl-piperazine25057-77-638 % similar 1-O-tert-Butyl 2-O-(2,5-dioxopyrrolidin-1-yl) (2S)-pyrrolidine-1,2-dicarboxylate3392-10-738 % similar (2R)-1,2-Dimethylpiperazine623586-02-738 % similar 4-(2-Aminoethyl)-1-boc-piperidine146093-46-138 % similar 4-Boc-1-piperazineacetic acid156478-71-638 % similar 3-(Boc-amino)piperidine172603-05-338 % similar