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tert-Butyl 4-(2-hydroxyethyl)piperazine-1-carboxylate77279-24-442 % similar tert-Butyl 2,7-diazaspiro[3.5]nonane-7-carboxylate896464-16-742 % similar 1-(1,1-Dimethylethyl) 3-ethyl 1,3-pyrrolidinedicarboxylate170844-49-242 % similar tert-Butyl 3-bromoazetidine-1-carboxylate1064194-10-041 % similar 1-N-Boc-3-hydroxyazetidine141699-55-041 % similar (3R,4S)-tert-Butyl 3,4-dihydroxypyrrolidine-1-carboxylate186393-22-641 % similar tert-Butyl 3-iodoazetidine-1-carboxylate254454-54-141 % similar 1-Boc-piperidine-3-carboxaldehyde118156-93-741 % similar 4-Amino-1-boc-piperidine-4-carboxylic acid183673-71-441 % similar 3-Acetyl-piperidine-1-carboxylic acid tert-butyl ester858643-92-241 % similar tert-Butyl 4-aminophenethylcarbamate94838-59-241 % similar 1-tert-Butyl 4-ethyl 5-oxoazepane-1,4-dicarboxylate141642-82-241 % similar 1-Boc-4-(2-carboxyphenyl)piperazine444582-90-541 % similar 4-(4-tert-Butoxycarbonylpiperazinyl)phenylboronic acid, pinacol ester470478-90-141 % similar tert-Butyl 3-Benzylpiperazine-1-carboxylate502649-29-841 % similar tert-Butyl 4-(6-aminopyridin-3-yl)piperazine-1-carboxylate571188-59-541 % similar tert-Butyl 4-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl]piperidine-1-carboxylate877399-74-141 % similar 3-Oxo-azetidine-1-carboxylic acid tert-butyl ester398489-26-441 % similar N-(tert-Butoxycarbonyl)-2,5-dihydro-1H-pyrrole73286-70-141 % similar tert-Butyl 6-amino-2-azaspiro[3.3]heptane-2-carboxylate1211586-09-241 % similar