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7-(1,1-Dimethylethyl) 7-azaspiro[3.5]nonane-2,7-dicarboxylate873924-12-0100 % similar 1-(tert-Butoxycarbonyl)-4-piperidinecarboxylic acid174316-71-370 % similar N-Boc-piperidine-4-carboxylic acid84358-13-470 % similar 7-Boc-7-azaspiro[3.5]nonane-2-methanol1356476-27-165 % similar 1-Boc-Azetidine-3-carboxylic acid142253-55-265 % similar (3S)-1-[(tert-Butoxy)carbonyl]pyrrolidine-3-carboxylic acid140148-70-563 % similar 1-((tert-Butoxy)carbonyl)pyrrolidine-3-carboxylic acid59378-75-563 % similar (3R)-1-[(tert-Butoxy)carbonyl]pyrrolidine-3-carboxylic acid72925-16-763 % similar 1-(1,1-Dimethylethyl) (3R)-1,3-piperidinedicarboxylate163438-09-361 % similar 1-((tert-Butoxy)carbonyl)piperidine-3-carboxylic acid71381-75-461 % similar 1-Boc-3-piperidinecarboxylic acid84358-12-361 % similar L-1-Boc-nipecotic acid88495-54-961 % similar tert-Butyl 2-cyano-7-azaspiro[3.5]nonane-7-carboxylate203662-66-260 % similar 7-Boc-2-oxa-7-azaspiro[3.5]nonane240401-27-859 % similar tert-Butyl 2-oxo-7-azaspiro[3.5]nonane-7-carboxylate203661-69-257 % similar tert-Butyl 2,7-diazaspiro[3.5]nonane-7-carboxylate896464-16-757 % similar tert-Butyl 3,9-diazaspiro[5.5]undecane-3-carboxylate173405-78-256 % similar 1,1-Dimethylethyl 9-oxo-3-azaspiro[5.5]undecane-3-carboxylate873924-08-456 % similar 1,1-Dimethylethyl 3-oxo-2,8-diazaspiro[4.5]decane-8-carboxylate169206-67-155 % similar 1-Boc-4-methyl-piperidin-4-OL406235-30-155 % similar