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1-(1,1-Dimethylethyl) (2S)-5-oxo-1,2-pyrrolidinedicarboxylate53100-44-0 1-(1,1-Dimethylethyl) 2-borono-1-pyrrolidinecarboxylate149682-75-7 1-(1,1-Dimethylethyl) 2-methyl (2S,4S)-4-cyano-1,2-pyrrolidinedicarboxylate487048-28-2 1-(tert-Butoxycarbonyl)-4-(p-toluenesulfonyloxy)piperidine118811-07-7 1-(tert-Butoxycarbonyl)-4-piperidinecarboxylic acid174316-71-3 1-(tert-Butoxycarbonyl)piperidine-4-carboxamide91419-48-6 1-[(Benzyloxy)carbonyl]-3-piperidinecarboxylic acid78190-11-1 1-[(tert-Butoxy)carbonyl]azetidine-2-carboxylic acid159749-28-7 1-[(tert-Butoxy)carbonyl]piperidine-2-carboxylic acid118552-55-9 1-[(tert-Butoxy)carbonyl]pyrrolidine-2-carboxylic acid59433-50-0 1-Benzyloxycarbonylazetidine-3-carboxylic acid97628-92-7 1-Boc-3-aminopiperidine144243-24-3 1-Boc-3-cyanopyrrolidine476493-40-0 1-Boc-3-methylaminoazetidine454703-20-9 1-Boc-3-piperidinecarboxylic acid84358-12-3 1-Boc-4-methylpiperidine-4-carboxylic acid189321-63-9 1-Boc-azetidine-3-ylmethanol142253-56-3 1-N-Boc-4-(phenylamino)piperidine125541-22-2 1-tert-Butoxycarbonyl-4-piperidinecarboxaldehyde137076-22-3 1-tert-Butyl 3-methyl piperazine-1,3-dicarboxylate129799-08-2