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tert-Butyl 7-oxo-2-azaspiro[3.5]nonane-2-carboxylate1363381-22-943 % similar tert-Butyl 3-bromoazetidine-1-carboxylate1064194-10-043 % similar 4-[(tert-Butoxy)carbonyl]piperazine-2-carboxylic acid128019-59-043 % similar tert-Butyl 4-(2-ethoxy-2-oxoethylidene)piperidine-1-carboxylate135716-08-443 % similar 1-Boc-3-(amino)azetidine193269-78-243 % similar tert-Butyl 3-iodoazetidine-1-carboxylate254454-54-143 % similar 1-(1,1-Dimethylethyl) 4-methyl 4-(aminomethyl)-1,4-piperidinedicarboxylate362703-35-343 % similar 4-[4-(2-Hydroxy-ethyl)-piperazin-1-yl]-4-oxo-butyric acid717904-43-343 % similar (S)-4-N-Boc-piperazine-2-carboxylic acid848482-93-943 % similar tert-Butyl 2,6-Diazaspiro(3.3)heptane-2-carboxylate Hemioxalate1041026-71-443 % similar 1,1-Dimethylethyl 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1-piperidinecarboxylate1048970-17-743 % similar 3-Bromo-4-oxo-piperidine-1-carboxylic acid tert-butyl ester188869-05-843 % similar Tetrt-butyl5-methyl-1,4-diazepane-1-carboxylate194032-42-343 % similar tert-Butyl 3-fluoro-4-oxopiperidine-1-carboxylate211108-50-843 % similar tert-Butyl 4-carbamothioylpiperidine-1-carboxylate214834-18-143 % similar 1-Boc-4-spiro-[3-(2-pyrrolidinone)] piperidine268550-48-743 % similar tert-Butyl 4-(2-Bromoacetyl)piperidine-1-carboxylate301221-79-443 % similar 1,1-Dimethylethyl 4-(chlorosulfonyl)-1-piperidinecarboxylate782501-25-143 % similar 3-Oxo-1-oxa-8-aza-spiro[4.5]decane-8-carboxylic acid tert-butyl ester954236-44-343 % similar 3-(tert-Butoxy)-3-oxopropanoic acid40052-13-943 % similar