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tert-Butyl 2,9-diazaspiro(5.5)undecane-9-carboxylate1023595-19-850 % similar N-Boc-diethanolamine103898-11-950 % similar tert-Butyl 1-oxa-6-azaspiro(2.5)octane-6-carboxylate147804-30-650 % similar 1,1-Dimethylethyl 1-pyrrolidinecarboxylate86953-79-950 % similar tert-Butyl 2,6-diazaspiro(3.4)octane-6-carboxylate885270-86-050 % similar tert-Butyl 2-cyano-7-azaspiro[3.5]nonane-7-carboxylate203662-66-249 % similar tert-Butyl 2,8-diazaspiro[4.5]decane-2-carboxylate336191-17-449 % similar tert-Butyl 4-(aminomethyl)-4-hydroxypiperidine-1-carboxylate392331-66-749 % similar tert-Butyl 2-oxo-1,7-diazaspiro(3.5)nonane-7-carboxylate392331-78-149 % similar 1,1-Dimethylethyl 4-fluoro-4-(hydroxymethyl)-1-piperidinecarboxylate614730-97-149 % similar 1,1-Dimethylethyl 1-piperidinecarboxylate75844-69-849 % similar 3-Oxo-1-oxa-8-aza-spiro[4.5]decane-8-carboxylic acid tert-butyl ester954236-44-348 % similar 1-Boc-4-formyl-4-methyl-piperidine189442-92-048 % similar 4-tert-Butoxycarbonylamino-piperidine-1,4-dicarboxylic acid mono-tert-butyl ester189321-65-147 % similar 2,7-Diaza-spiro[4.4]nonane-2-carboxylic acid tert-butyl ester236406-49-847 % similar 4-Boc-1-piperazineacetic acid156478-71-647 % similar 1-(tert-Butoxycarbonyl)-4-piperidinecarboxylic acid174316-71-347 % similar tert-Butyl 4-cyano-4-methylpiperidine-1-carboxylate530115-96-947 % similar N-Boc-piperidine-4-carboxylic acid84358-13-447 % similar tert-Butyl 4-hydroxypiperidine-1-carboxylate109384-19-247 % similar