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1-(tert-Butoxycarbonyl)-4-oxopyrrolidine-2-carboxylic acid876317-19-042 % similar tert-Butyl (2S)-2-(hydroxymethyl)azetidine-1-carboxylate161511-85-941 % similar tert-Butyl 2-(hydroxymethyl)azetidine-1-carboxylate174346-82-841 % similar 7-Boc-3-oxa-7,9-diazabicyclo[3.3.1]nonane864448-41-941 % similar 1-(1,1-Dimethylethyl) 2-methyl 1,2-piperazinedicarboxylate129799-15-141 % similar (S)-1-N-Boc-piperazine-2-carboxylic acid methyl ester796096-64-541 % similar tert-Butyl 3-formylazetidine-1-carboxylate177947-96-541 % similar tert-Butyl 3-methoxyazetidine-1-carboxylate429669-07-841 % similar 1-(1,1-Dimethylethyl) (2S)-4,4-dimethyl-1,2-pyrrolidinedicarboxylate1001353-87-241 % similar 1-[(tert-Butoxy)carbonyl]piperidine-2-carboxylic acid118552-55-941 % similar (2S)-1-((tert-Butoxy)carbonyl)piperidine-2-carboxylic acid26250-84-041 % similar (R)-(+)-N-Boc-2-piperidinecarboxylic acid28697-17-841 % similar tert-Butyl 3-ethylpiperazine-1-carboxylate438049-35-541 % similar Boc-3,4-dehydro-pro-oh51154-06-441 % similar 1,1-Dimethylethyl (2S,4R)-4-hydroxy-2-(hydroxymethyl)-1-pyrrolidinecarboxylate61478-26-041 % similar tert-Butyl (3S)-3-ethylpiperazine-1-carboxylate928025-56-341 % similar N-Boc-2-piperidinecarboxylic acid98303-20-941 % similar (1R,5S,6r)-3-(tert-Butoxycarbonyl)-3-azabicyclo[3.1.0]hexane-6-carboxylic acid1401464-07-040 % similar 1,2-Bis(1,1-dimethylethyl) (2S)-4-oxo-1,2-pyrrolidinedicarboxylate166410-05-540 % similar 3-(N-tert-Butoxycarbonyl-N-methylamino)pyrrolidine172478-00-140 % similar