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tert-Butyl 4-benzylpiperazine-1-carboxylate57260-70-555 % similar 1-Boc-4-methylenepiperidine159635-49-154 % similar tert-Butyl 1,4-diazepane-1-carboxylate112275-50-054 % similar 4-Thiocarbamoyl-piperazine-1-carboxylic acid tert-butyl ester196811-66-254 % similar 1,1-Dimethylethyl 4-fluoro-4-(hydroxymethyl)-1-piperidinecarboxylate614730-97-154 % similar tert-Butyl 4,4-difluoropiperidine-1-carboxylate281652-10-653 % similar 1-Boc-4-methylaminopiperidine147539-41-153 % similar 1-Boc-piperazine acetate143238-38-452 % similar 1-Boc-azetidine-3-ylmethanol142253-56-351 % similar tert-Butyl 1-oxa-6-azaspiro(2.5)octane-6-carboxylate147804-30-651 % similar 4-Chloro-piperidine-1-carboxylic acid tert-butyl ester154874-94-951 % similar tert-Butyl 4-bromopiperidine-1-carboxylate180695-79-851 % similar 7-Boc-2-oxa-7-azaspiro[3.5]nonane240401-27-851 % similar tert-Butyl 4-iodopiperidine-1-carboxylate301673-14-351 % similar tert-Butyl 4-aminopiperidine-1-carboxylate87120-72-751 % similar 1-(tert-Butoxycarbonyl)-4-piperidinecarboxylic acid174316-71-351 % similar 1-Boc-4-methylpiperidine-4-carboxylic acid189321-63-951 % similar N-Boc-piperidine-4-carboxylic acid84358-13-451 % similar 7-Boc-7-azaspiro[3.5]nonane-2-methanol1356476-27-151 % similar 3-Hydroxy-3-methyl-azetidine-1-carboxylic acid tert-butyl ester1104083-23-950 % similar