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3-Oxo-azetidine-1-carboxylic acid tert-butyl ester398489-26-447 % similar N-(tert-Butoxycarbonyl)-2,5-dihydro-1H-pyrrole73286-70-147 % similar tert-Butyl 4-(3-ethoxy-3-oxopropanoyl)piperidine-1-carboxylate479630-08-547 % similar 1-(1,1-Dimethylethyl) 3-ethyl 1,3-pyrrolidinedicarboxylate170844-49-247 % similar 1-Boc-piperidine-3-carboxaldehyde118156-93-747 % similar 3-Acetyl-piperidine-1-carboxylic acid tert-butyl ester858643-92-247 % similar tert-Butyl 3,9-diazaspiro[5.5]undecane-3-carboxylate173405-78-247 % similar 1-Boc-4-formyl-4-methyl-piperidine189442-92-047 % similar 1-tert-Butyl 3-methyl azetidine-1,3-dicarboxylate610791-05-447 % similar 1,1-Dimethylethyl 9-oxo-3-azaspiro[5.5]undecane-3-carboxylate873924-08-447 % similar 1,1-Dimethylethyl 3-(2-aminoethyl)-1-azetidinecarboxylate898271-20-047 % similar 3-Oxopyrrolidine-1-carboxylic acid tert-butyl ester101385-93-746 % similar tert-Butyl 3,8-diazabicyclo[3.2.1]octane-8-carboxylate149771-44-846 % similar tert-Butyl 3-formylazetidine-1-carboxylate177947-96-546 % similar tert-Butyl 3-methoxyazetidine-1-carboxylate429669-07-846 % similar 1-tert-Butyl 4-ethyl 5-oxoazepane-1,4-dicarboxylate141642-82-246 % similar 1-(1,1-Dimethylethyl) 4-(4-carboxyphenyl)-1-piperidinecarboxylate149353-75-346 % similar 1-Boc-4-(4-fluoro-phenylamino)-piperidine288573-56-846 % similar 1-Boc-4-(4-bromo-phenylamino)-piperidine443998-65-046 % similar N-Boc-piperidine-3-methanol116574-71-146 % similar