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tert-Butyl 2-oxa-6-azaspiro[3.5]nonane-6-carboxylate1245816-29-849 % similar 3-(4-(tert-Butoxycarbonyl)piperazin-1-yl)propanoic acid242459-97-849 % similar tert-Butyl 1,4-diazepane-1-carboxylate112275-50-049 % similar 1-tert-Butoxycarbonyl-4-piperidinecarboxaldehyde137076-22-349 % similar 4-(2-Amino-ethyl)-piperazine-1-carboxylic acid tert-butyl ester192130-34-049 % similar 4-Thiocarbamoyl-piperazine-1-carboxylic acid tert-butyl ester196811-66-249 % similar 2-(tert-Butoxycarbonyl)-2,7-diazaspiro[3.5]nonane236406-55-649 % similar tert-Butyl 4-(2-hydroxyethyl)piperazine-1-carboxylate77279-24-449 % similar N-Boc-4-piperidinemethanol123855-51-648 % similar 1-Boc-4-(aminomethyl)piperidine144222-22-048 % similar 1-Boc-4-methylaminopiperidine147539-41-148 % similar 4-Acetyl-piperidine-1-carboxylic acid tert-butyl ester206989-61-948 % similar 1-(tert-Butoxycarbonyl)-3,3-dimethyl-4-oxopiperidine324769-06-448 % similar tert-Butyl 2,2-dimethyl-4-oxopiperidine-1-carboxylate346593-03-148 % similar tert-Butyl N-methyl-N-(4-oxocyclohexyl)carbamate400899-84-548 % similar tert-Butyl 4-(chloromethyl)piperidine-1-carboxylate479057-79-948 % similar tert-Butyl 2,4-dioxopiperidine-1-carboxylate845267-78-948 % similar 1-(tert-Butoxycarbonyl)-4-(2-hydroxyethyl)piperidine89151-44-048 % similar 1,1-Dimethylethyl 2,6-diazaspiro[3.3]heptane-2-carboxylate1041026-70-348 % similar 1,1-Dimethylethyl 2,4-dioxo-1,3,8-triazaspiro[4.5]decane-8-carboxylate183673-70-347 % similar