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3-Oxo-1-oxa-8-aza-spiro[4.5]decane-8-carboxylic acid tert-butyl ester954236-44-354 % similar tert-Butyl 4-hydroxypiperidine-1-carboxylate109384-19-253 % similar 4-Chloro-piperidine-1-carboxylic acid tert-butyl ester154874-94-953 % similar tert-Butyl 4-bromopiperidine-1-carboxylate180695-79-853 % similar tert-Butyl 4-iodopiperidine-1-carboxylate301673-14-353 % similar tert-Butyl 4-aminopiperidine-1-carboxylate87120-72-753 % similar Ethyl N-boc-4-methylpiperidine-4-carboxylate189442-87-352 % similar 3-Oxo-azetidine-1-carboxylic acid tert-butyl ester398489-26-451 % similar N-(tert-Butoxycarbonyl)-2,5-dihydro-1H-pyrrole73286-70-151 % similar tert-Butyl 1,4-diazepane-1-carboxylate112275-50-051 % similar tert-Butyl 3-methylidenepyrrolidine-1-carboxylate114214-71-051 % similar tert-Butyl 7-oxo-2-azaspiro[3.5]nonane-2-carboxylate1363381-22-951 % similar N-Boc-hexahydro-1H-azepin-4-one188975-88-451 % similar 4-(2-Amino-ethyl)-piperazine-1-carboxylic acid tert-butyl ester192130-34-051 % similar 4-Thiocarbamoyl-piperazine-1-carboxylic acid tert-butyl ester196811-66-251 % similar 2-(tert-Butoxycarbonyl)-2,7-diazaspiro[3.5]nonane236406-55-651 % similar tert-Butyl 4-(2-hydroxyethyl)piperazine-1-carboxylate77279-24-451 % similar 2-(4-Amino-1-(tert-butoxycarbonyl)piperidin-4-YL)acetic acid1159983-30-851 % similar 3-Oxopyrrolidine-1-carboxylic acid tert-butyl ester101385-93-750 % similar 1,1-Dimethylethyl 2,6-diazaspiro[3.3]heptane-2-carboxylate1041026-70-350 % similar