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tert-Butyl 4-oxopiperidine-1-carboxylate79099-07-349 % similar tert-Butyl 3-bromoazetidine-1-carboxylate1064194-10-047 % similar 3-Hydroxy-3-methyl-azetidine-1-carboxylic acid tert-butyl ester1104083-23-947 % similar 1-N-Boc-3-hydroxyazetidine141699-55-047 % similar 1-Boc-4-methylenepiperidine159635-49-147 % similar (3R,4S)-tert-Butyl 3,4-dihydroxypyrrolidine-1-carboxylate186393-22-647 % similar 1-Boc-3-(amino)azetidine193269-78-247 % similar tert-Butyl 3-iodoazetidine-1-carboxylate254454-54-147 % similar N-(tert-Butoxycarbonyl)iminodiacetic Acid56074-20-547 % similar 1-Boc-piperidine-3-carboxaldehyde118156-93-747 % similar 1-(tert-Butoxycarbonyl)-3,3-dimethyl-4-oxopiperidine324769-06-446 % similar 3-Oxopyrrolidine-1-carboxylic acid tert-butyl ester101385-93-746 % similar 1,1-Dimethylethyl 2,6-diazaspiro[3.3]heptane-2-carboxylate1041026-70-346 % similar tert-Butyl 6-oxo-2-azaspiro(3.3)heptane-2-carboxylate1181816-12-546 % similar tert-Butyl 4,4-difluoropiperidine-1-carboxylate281652-10-646 % similar tert-Butyl 3-methoxyazetidine-1-carboxylate429669-07-846 % similar 3-Ethoxycarbonylmethylene-azetidine-1-carboxylic acid tert-butyl ester1002355-96-545 % similar 1-(tert-Butoxycarbonyl)-3-(cyanomethylene)azetidine1153949-11-145 % similar tert-Butyl 2-oxo-6-azaspiro[3.4]octane-6-carboxylate203661-71-645 % similar tert-Butyl 2,6-diazaspiro(3.4)octane-6-carboxylate885270-86-045 % similar