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1-(1,1-Dimethylethyl) 2-borono-1-pyrrolidinecarboxylate149682-75-745 % similar Boc-L-proline15761-39-445 % similar 4-Amino-1-boc-piperidine-4-carboxylic acid183673-71-445 % similar tert-Butyl 3-fluoro-4-oxopiperidine-1-carboxylate211108-50-845 % similar (2R)-1-[(tert-Butoxy)carbonyl]pyrrolidine-2-carboxylic acid37784-17-145 % similar 1-[(tert-Butoxy)carbonyl]pyrrolidine-2-carboxylic acid59433-50-045 % similar 1-Boc-4-fluoro-4-piperidinecarboxylic acid614731-04-345 % similar tert-Butyl3-((methylamino)methyl)azetidine-1-carboxylate1049730-81-544 % similar tert-Butyl 6-hydroxy-2-azaspiro[3.3]heptane-2-carboxylate1147557-97-844 % similar tert-Butyl 3-endo-hydroxy-8-azabicyclo[3.2.1]octane-8-carboxylate143557-91-944 % similar tert-Butyl 3,9-diazaspiro[5.5]undecane-3-carboxylate173405-78-244 % similar 1-Boc-4-formyl-4-methyl-piperidine189442-92-044 % similar N-Boc-9-azabicyclo[3.3.1]nonan-3-one512822-27-444 % similar 1,1-Dimethylethyl 9-oxo-3-azaspiro[5.5]undecane-3-carboxylate873924-08-444 % similar 1-tert-Butyl 4-ethyl 5-oxoazepane-1,4-dicarboxylate141642-82-244 % similar 1-Boc-4-(4-fluoro-phenylamino)-piperidine288573-56-844 % similar 1-Boc-4-(4-bromo-phenylamino)-piperidine443998-65-044 % similar 3-Oxopyrrolidine-1-carboxylic acid tert-butyl ester101385-93-744 % similar tert-Butyl 3,8-diazabicyclo[3.2.1]octane-8-carboxylate149771-44-844 % similar tert-Butyl 3-formylazetidine-1-carboxylate177947-96-544 % similar