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tert-Butyl 4,7-diazaspiro(2.5)octane-7-carboxylate886766-28-551 % similar tert-Butyl 6-oxo-2,7-diazaspiro[4.4]nonane-2-carboxylate1194376-44-750 % similar 1-Boc-4-methylenepiperidine159635-49-150 % similar tert-Butyl 4-(aminomethyl)-4-hydroxypiperidine-1-carboxylate392331-66-750 % similar 1,1-Dimethylethyl 4-fluoro-4-(hydroxymethyl)-1-piperidinecarboxylate614730-97-150 % similar tert-Butyl 4-aminomethyl-4-fluoropiperidine-1-carboxylate620611-27-050 % similar 4-Amino-1-boc-piperidine-4-carboxylic acid183673-71-449 % similar Tetrt-butyl5-methyl-1,4-diazepane-1-carboxylate194032-42-349 % similar 1-Boc-4-fluoro-4-piperidinecarboxylic acid614731-04-349 % similar 3-Oxo-1-oxa-8-aza-spiro[4.5]decane-8-carboxylic acid tert-butyl ester954236-44-349 % similar 1-Boc-4-methylaminopiperidine147539-41-149 % similar 1-Boc-3-oxopiperazine76003-29-749 % similar 4-tert-Butoxycarbonylamino-piperidine-1,4-dicarboxylic acid mono-tert-butyl ester189321-65-148 % similar Ethyl N-boc-4-methylpiperidine-4-carboxylate189442-87-348 % similar tert-Butyl 4-hydroxypiperidine-1-carboxylate109384-19-248 % similar tert-Butyl octahydropyrrolo(3,4-c)pyrrole-2-carboxylate141449-85-648 % similar 4-Chloro-piperidine-1-carboxylic acid tert-butyl ester154874-94-948 % similar tert-Butyl 4-bromopiperidine-1-carboxylate180695-79-848 % similar cis-2-Boc-hexahydropyrrolo[3,4-C]pyrrole250275-15-148 % similar tert-Butyl 4-iodopiperidine-1-carboxylate301673-14-348 % similar