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tert-Butyl 3-cyano-4-oxopiperidine-1-carboxylate914988-10-646 % similar 1-Boc-piperazine acetate143238-38-446 % similar 1-Boc-4-spiro-[3-(2-pyrrolidinone)] piperidine268550-48-746 % similar tert-Butyl 3,9-diazaspiro[5.5]undecane-3-carboxylate173405-78-245 % similar 1-tert-Butyl 3-methyl azetidine-1,3-dicarboxylate610791-05-445 % similar 1-Boc-3-oxopiperazine76003-29-745 % similar 1,1-Dimethylethyl 2,6-diazaspiro[3.3]heptane-2-carboxylate1041026-70-345 % similar tert-Butyl 3,8-diazabicyclo[3.2.1]octane-8-carboxylate149771-44-845 % similar tert-Butyl 4,4-difluoropiperidine-1-carboxylate281652-10-645 % similar 1-tert-Butyl 3-methyl 4-oxopiperidine-1,3-dicarboxylate161491-24-345 % similar 4-P-Aminophenyl-1-boc-piperidine170011-57-145 % similar tert-Butyl 3-(2-ethoxy-2-oxoethyl)azetidine-1-carboxylate158602-35-845 % similar tert-Butyl 4-benzylpiperazine-1-carboxylate57260-70-545 % similar (1R,5S,6r)-3-(tert-Butoxycarbonyl)-3-azabicyclo[3.1.0]hexane-6-carboxylic acid1401464-07-044 % similar 4-Boc-1-piperazineacetic acid156478-71-644 % similar [1-(tert-Butoxycarbonyl)azetidin-3-yl]acetic acid183062-96-644 % similar 5-Oxo-(1,4)diazepane-1-carboxylic acid tert-butyl ester190900-21-144 % similar tert-Butyl 2,6-diazaspiro(3.4)octane-6-carboxylate885270-86-044 % similar tert-Butyl 4,7-diazaspiro(2.5)octane-7-carboxylate886766-28-544 % similar 3-(1,1-Dimethylethyl) (1α,5α,6α)-3-azabicyclo[3.1.0]hexane-3,6-dicarboxylate927679-54-744 % similar