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1,1-Dimethylethyl 3-oxo-2,8-diazaspiro[4.5]decane-8-carboxylate169206-67-153 % 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 4-Boc-1-piperazineacetic acid156478-71-653 % similar 1-(tert-Butoxycarbonyl)-4-piperidinecarboxylic acid174316-71-353 % similar tert-Butyl 2-oxo-6-azaspiro[3.4]octane-6-carboxylate203661-71-653 % similar N-Boc-piperidine-4-carboxylic acid84358-13-453 % similar tert-Butyl 2,6-diazaspiro(3.4)octane-6-carboxylate885270-86-053 % similar tert-Butyl 2,9-diazaspiro(5.5)undecane-9-carboxylate1023595-19-852 % similar Ethyl N-boc-4-methylpiperidine-4-carboxylate189442-87-352 % similar 1,1-Dimethylethyl 2,4-dioxo-1,3,8-triazaspiro[4.5]decane-8-carboxylate183673-70-352 % similar 4-tert-Butoxycarbonylamino-piperidine-1,4-dicarboxylic acid mono-tert-butyl ester189321-65-152 % similar 3-Oxo-azetidine-1-carboxylic acid tert-butyl ester398489-26-451 % similar N-(tert-Butoxycarbonyl)-2,5-dihydro-1H-pyrrole73286-70-151 % similar 1-N-Boc-3-hydroxyazetidine141699-55-051 % similar (3R,4S)-tert-Butyl 3,4-dihydroxypyrrolidine-1-carboxylate186393-22-651 % similar N-(tert-Butoxycarbonyl)iminodiacetic Acid56074-20-551 % similar tert-Butyl 1,4-diazepane-1-carboxylate112275-50-051 % similar