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tert-Butyl 1,4-diazepane-1-carboxylate112275-50-044 % similar tert-Butyl 3-methylidenepyrrolidine-1-carboxylate114214-71-044 % similar 1-tert-Butoxycarbonyl-4-piperidinecarboxaldehyde137076-22-344 % similar N-Boc-hexahydro-1H-azepin-4-one188975-88-444 % similar 4-(2-Amino-ethyl)-piperazine-1-carboxylic acid tert-butyl ester192130-34-044 % similar 4-Thiocarbamoyl-piperazine-1-carboxylic acid tert-butyl ester196811-66-244 % similar tert-Butyl 4-(2-hydroxyethyl)piperazine-1-carboxylate77279-24-444 % similar 1,1-Dimethylethyl 3-oxo-2,8-diazaspiro[4.5]decane-8-carboxylate169206-67-144 % similar 3-Oxo-azetidine-1-carboxylic acid tert-butyl ester398489-26-444 % similar N-(tert-Butoxycarbonyl)-2,5-dihydro-1H-pyrrole73286-70-144 % similar N-Boc-4-piperidinemethanol123855-51-643 % similar 1-Boc-4-(aminomethyl)piperidine144222-22-043 % similar 1-Boc-4-methylaminopiperidine147539-41-143 % similar 4-Acetyl-piperidine-1-carboxylic acid tert-butyl ester206989-61-943 % similar tert-Butyl 4-(chloromethyl)piperidine-1-carboxylate479057-79-943 % similar 1-(tert-Butoxycarbonyl)-4-(2-hydroxyethyl)piperidine89151-44-043 % similar 3-Oxopyrrolidine-1-carboxylic acid tert-butyl ester101385-93-743 % similar 1,1-Dimethylethyl 2,4-dioxo-1,3,8-triazaspiro[4.5]decane-8-carboxylate183673-70-343 % similar 4-tert-Butoxycarbonylamino-piperidine-1,4-dicarboxylic acid mono-tert-butyl ester189321-65-143 % similar 2,7-Diaza-spiro[4.4]nonane-2-carboxylic acid tert-butyl ester236406-49-843 % similar