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1-Piperidinecarboxylicacid,2-methyl-4-oxo-,1,1-dimethylethylester,(2R)-(9ci)790667-43-545 % similar 1-N-Boc-3-hydroxyazetidine141699-55-045 % similar 1-(1,1-Dimethylethyl) (2S)-4-oxo-1,2-pyrrolidinedicarboxylate84348-37-844 % similar 1-(tert-Butoxycarbonyl)-4-oxopyrrolidine-2-carboxylic acid876317-19-044 % similar 3-Oxopyrrolidine-1-carboxylic acid tert-butyl ester101385-93-744 % similar tert-Butyl 6-oxo-2-azaspiro(3.3)heptane-2-carboxylate1181816-12-544 % similar tert-Butyl 3-methoxyazetidine-1-carboxylate429669-07-844 % similar 1-tert-Butyl 2-methyl (2S)-4-oxopyrrolidine-1,2-dicarboxylate102195-80-243 % similar (R)-1-tert-Butyl 2-methyl 4-oxopyrrolidine-1,2-dicarboxylate256487-77-143 % similar tert-Butyl 3-ethylpiperazine-1-carboxylate438049-35-543 % similar tert-Butyl (3S)-3-ethylpiperazine-1-carboxylate928025-56-343 % similar 3-(N-tert-Butoxycarbonyl-N-methylamino)pyrrolidine172478-00-143 % similar 1-Boc-2-benzyl-piperidin-4-one193480-28-343 % similar 1-Boc-pyrrolidine-2,4-dione182352-59-643 % similar N-Boc-diethanolamine103898-11-943 % similar tert-Butyl 6-Oxa-3-azabicyclo(3.1.0)hexane-3-carboxylate114214-49-243 % similar 1,1-Dimethylethyl 5-oxo-2-azabicyclo[2.2.1]heptane-2-carboxylate198835-06-242 % similar 1,1-Dimethylethyl 1-pyrrolidinecarboxylate86953-79-942 % similar 4-N-Boc-4-N-methyl-aminopiperidine108612-54-042 % similar tert-Butyl 7-oxo-2-azaspiro[3.5]nonane-2-carboxylate1363381-22-942 % similar