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1-Boc-Azetidine-3-carboxylic acid142253-55-243 % similar 4-(2-Amino-ethyl)-piperazine-1-carboxylic acid tert-butyl ester192130-34-043 % similar 4-Thiocarbamoyl-piperazine-1-carboxylic acid tert-butyl ester196811-66-243 % similar 3-Ethynyl-1-azetidinecarboxylic acid tert-butyl ester287193-01-543 % similar tert-Butyl 4-(2-hydroxyethyl)piperazine-1-carboxylate77279-24-443 % similar 1,1-Dimethylethyl 3-oxo-2,8-diazaspiro[4.5]decane-8-carboxylate169206-67-143 % similar 1,1-Dimethylethyl 3,3-difluoro-4-hydroxy-1-pyrrolidinecarboxylate1434141-81-742 % similar 4-Amino-1-boc-piperidine-4-carboxylic acid183673-71-442 % similar 3-Bromo-4-oxo-piperidine-1-carboxylic acid tert-butyl ester188869-05-842 % similar tert-Butyl 3-fluoro-4-oxopiperidine-1-carboxylate211108-50-842 % similar 1-Boc-4-spiro-[3-(2-pyrrolidinone)] piperidine268550-48-742 % similar 1-Boc-4-fluoro-4-piperidinecarboxylic acid614731-04-342 % similar N-Boc-cis-2,6-diethyl-4-piperidone1003843-30-842 % similar (S)-3-Hydroxypyrrolidine-1-carboxylic acid tert-butyl ester101469-92-542 % similar 3-Hydroxypyrrolidine-1-carboxylic acid tert-butyl ester103057-44-942 % similar tert-Butyl3-((methylamino)methyl)azetidine-1-carboxylate1049730-81-542 % similar tert-Butyl (3R)-3-hydroxypyrrolidine-1-carboxylate109431-87-042 % similar N-Boc-4-piperidinemethanol123855-51-642 % similar 1-Boc-4-(aminomethyl)piperidine144222-22-042 % similar (S)-(-)-1-tert-Butoxycarbonyl-3-aminopyrrolidine147081-44-542 % similar