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tert-Butyl 4,7-diazaspiro(2.5)octane-4-carboxylate674792-08-647 % similar tert-Butyl 2,6-diazaspiro[3.4]octane-2-carboxylate885270-84-847 % similar tert-Butyl 2,6-diazaspiro(3.4)octane-6-carboxylate885270-86-047 % similar tert-Butyl octahydropyrrolo(3,4-c)pyrrole-2-carboxylate141449-85-647 % similar tert-Butyl 1-oxa-6-azaspiro(2.5)octane-6-carboxylate147804-30-647 % similar 4-Chloro-piperidine-1-carboxylic acid tert-butyl ester154874-94-947 % similar tert-Butyl 4-bromopiperidine-1-carboxylate180695-79-847 % similar 7-Boc-2-oxa-7-azaspiro[3.5]nonane240401-27-847 % similar cis-2-Boc-hexahydropyrrolo[3,4-C]pyrrole250275-15-147 % similar tert-Butyl 4-iodopiperidine-1-carboxylate301673-14-347 % similar 1-Boc-3-methylaminoazetidine454703-20-947 % similar tert-Butyl 4-aminopiperidine-1-carboxylate87120-72-747 % similar tert-Butyl 6-Oxa-3-azabicyclo(3.1.0)hexane-3-carboxylate114214-49-246 % similar 1,1-Dimethylethyl 3,3-difluoro-1-azetidinecarboxylate1255666-59-146 % similar Methyl piperazine-1-carboxylate50606-31-046 % similar 4-[4-(tert-Butoxycarbonyl)piperazin-1-yl]benzoic acid162046-66-446 % similar 2-(4-Amino-1-(tert-butoxycarbonyl)piperidin-4-YL)acetic acid1159983-30-846 % similar tert-Butyl 2-(hydroxymethyl)piperazine-1-carboxylate205434-75-946 % similar 7-(1,1-Dimethylethyl) 7-azaspiro[3.5]nonane-2,7-dicarboxylate873924-12-046 % similar tert-Butyl 2-methylpiperazine-1-carboxylate120737-78-246 % similar