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1-Boc-4-fluoro-4-piperidinecarboxylic acid614731-04-349 % similar 1-Boc-4-methylaminopiperidine147539-41-149 % similar 7-Boc-7-azaspiro[3.5]nonane-2-methanol1356476-27-148 % similar Ethyl N-boc-4-methylpiperidine-4-carboxylate189442-87-348 % similar 2,7-Diaza-spiro[4.4]nonane-2-carboxylic acid tert-butyl ester236406-49-848 % similar tert-Butyl 4-hydroxypiperidine-1-carboxylate109384-19-248 % similar 4-Chloro-piperidine-1-carboxylic acid tert-butyl ester154874-94-948 % similar tert-Butyl 4-bromopiperidine-1-carboxylate180695-79-848 % similar tert-Butyl 4-iodopiperidine-1-carboxylate301673-14-348 % similar tert-Butyl 4-aminopiperidine-1-carboxylate87120-72-748 % similar tert-Butyl 6-Oxa-3-azabicyclo(3.1.0)hexane-3-carboxylate114214-49-248 % similar tert-Butyl 6-oxo-2,7-diazaspiro[4.4]nonane-2-carboxylate1194376-44-747 % similar tert-Butyl 2-cyano-7-azaspiro[3.5]nonane-7-carboxylate203662-66-247 % similar 7-(1,1-Dimethylethyl) 7-azaspiro[3.5]nonane-2,7-dicarboxylate873924-12-047 % similar tert-Butyl 3-methylidenepyrrolidine-1-carboxylate114214-71-047 % similar 1-tert-Butoxycarbonyl-4-piperidinecarboxaldehyde137076-22-347 % similar N-Boc-hexahydro-1H-azepin-4-one188975-88-447 % similar 4-(2-Amino-ethyl)-piperazine-1-carboxylic acid tert-butyl ester192130-34-047 % similar 4-Thiocarbamoyl-piperazine-1-carboxylic acid tert-butyl ester196811-66-247 % similar 2-(tert-Butoxycarbonyl)-2,7-diazaspiro[3.5]nonane236406-55-647 % similar