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tert-Butyl 1-oxa-6-azaspiro(2.5)octane-6-carboxylate147804-30-657 % similar 4-Chloro-piperidine-1-carboxylic acid tert-butyl ester154874-94-957 % similar tert-Butyl 4-bromopiperidine-1-carboxylate180695-79-857 % similar 7-Boc-2-oxa-7-azaspiro[3.5]nonane240401-27-857 % similar tert-Butyl 4-iodopiperidine-1-carboxylate301673-14-357 % similar tert-Butyl 4-aminopiperidine-1-carboxylate87120-72-757 % similar 4-Boc-1-piperazineacetic acid156478-71-657 % similar 1-(tert-Butoxycarbonyl)-4-piperidinecarboxylic acid174316-71-357 % similar 1-Boc-4-methylpiperidine-4-carboxylic acid189321-63-957 % similar N-Boc-piperidine-4-carboxylic acid84358-13-457 % similar 7-Boc-7-azaspiro[3.5]nonane-2-methanol1356476-27-156 % similar 3-Oxo-azetidine-1-carboxylic acid tert-butyl ester398489-26-456 % similar N-(tert-Butoxycarbonyl)-2,5-dihydro-1H-pyrrole73286-70-156 % similar 3-Hydroxy-3-methyl-azetidine-1-carboxylic acid tert-butyl ester1104083-23-956 % similar 1-N-Boc-3-hydroxyazetidine141699-55-056 % similar (3R,4S)-tert-Butyl 3,4-dihydroxypyrrolidine-1-carboxylate186393-22-656 % similar N-(tert-Butoxycarbonyl)iminodiacetic Acid56074-20-556 % similar tert-Butyl 1,4-diazepane-1-carboxylate112275-50-056 % similar tert-Butyl 3-methylidenepyrrolidine-1-carboxylate114214-71-056 % similar 1-tert-Butoxycarbonyl-4-piperidinecarboxaldehyde137076-22-356 % similar