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tert-Butyl 2-oxa-6-azaspiro[3.5]nonane-6-carboxylate1245816-29-847 % similar tert-Butyl 3-methylidenepyrrolidine-1-carboxylate114214-71-047 % similar tert-Butyl 7-oxo-2-azaspiro[3.5]nonane-2-carboxylate1363381-22-947 % 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 tert-Butyl 4-(2-hydroxyethyl)piperazine-1-carboxylate77279-24-447 % similar 3-Oxo-azetidine-1-carboxylic acid tert-butyl ester398489-26-446 % similar N-(tert-Butoxycarbonyl)-2,5-dihydro-1H-pyrrole73286-70-146 % similar 1-(1,1-Dimethylethyl) 4-methyl 4-(aminomethyl)-1,4-piperidinedicarboxylate362703-35-346 % similar 1,1-Dimethylethyl 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1-piperidinecarboxylate1048970-17-746 % similar Tetrt-butyl5-methyl-1,4-diazepane-1-carboxylate194032-42-346 % similar N-Boc-4-piperidinemethanol123855-51-645 % similar 1-Boc-4-(aminomethyl)piperidine144222-22-045 % similar 4-Acetyl-piperidine-1-carboxylic acid tert-butyl ester206989-61-945 % similar tert-Butyl 4-(chloromethyl)piperidine-1-carboxylate479057-79-945 % similar 1-Boc-3-oxopiperazine76003-29-745 % similar 1-(tert-Butoxycarbonyl)-4-(2-hydroxyethyl)piperidine89151-44-045 % similar 3-Oxopyrrolidine-1-carboxylic acid tert-butyl ester101385-93-745 % similar