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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-Boc-piperazine acetate143238-38-446 % 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-(tert-Butoxycarbonyl)-4-(2-hydroxyethyl)piperidine89151-44-045 % similar 3-Oxopyrrolidine-1-carboxylic acid tert-butyl ester101385-93-745 % similar 1,1-Dimethylethyl 2,6-diazaspiro[3.3]heptane-2-carboxylate1041026-70-345 % similar tert-Butyl 6-oxo-2-azaspiro(3.3)heptane-2-carboxylate1181816-12-545 % similar 1,1-Dimethylethyl 2,4-dioxo-1,3,8-triazaspiro[4.5]decane-8-carboxylate183673-70-345 % similar 4-(2-Aminoethyl)-1-boc-piperidine146093-46-144 % similar 4-Boc-1-piperazineacetic acid156478-71-644 % similar 1-(tert-Butoxycarbonyl)-4-piperidinecarboxylic acid174316-71-344 % similar N-Boc-3-methylene-piperidine276872-89-044 % similar 1-Boc-4-ethynylpiperidine287192-97-644 % similar