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3-Ethoxycarbonylmethylene-azetidine-1-carboxylic acid tert-butyl ester1002355-96-551 % similar tert-Butyl 1,4-diazepane-1-carboxylate112275-50-050 % similar 1,1-Dimethylethyl 3-(1-hydroxy-1-methylethyl)-1-azetidinecarboxylate1257293-79-050 % similar 1-tert-Butoxycarbonyl-4-piperidinecarboxaldehyde137076-22-350 % similar 1-Boc-3-cyanoazetidine142253-54-150 % similar 1-Boc-Azetidine-3-carboxylic acid142253-55-250 % similar 4-(2-Amino-ethyl)-piperazine-1-carboxylic acid tert-butyl ester192130-34-050 % similar 4-Thiocarbamoyl-piperazine-1-carboxylic acid tert-butyl ester196811-66-250 % similar 1-Boc-4-(hydroxymethyl)-4-methyl-piperidine236406-21-650 % similar 2-(tert-Butoxycarbonyl)-2,7-diazaspiro[3.5]nonane236406-55-650 % similar 3-Ethynyl-1-azetidinecarboxylic acid tert-butyl ester287193-01-550 % similar tert-Butyl 4-(2-hydroxyethyl)piperazine-1-carboxylate77279-24-450 % similar tert-Butyl 2,7-diazaspiro[3.5]nonane-7-carboxylate896464-16-750 % similar tert-Butyl 4-carbamothioylpiperidine-1-carboxylate214834-18-149 % similar 1-(1,1-Dimethylethyl) (2S)-4-oxo-1,2-pyrrolidinedicarboxylate84348-37-849 % similar 1-(tert-Butoxycarbonyl)-4-oxopyrrolidine-2-carboxylic acid876317-19-049 % similar N-Boc-cis-2,6-diethyl-4-piperidone1003843-30-849 % similar 1,1-Dimethylethyl 3-(aminomethyl)-3-hydroxy-1-azetidinecarboxylate1008526-71-349 % similar (S)-3-Hydroxypyrrolidine-1-carboxylic acid tert-butyl ester101469-92-549 % similar 3-Hydroxypyrrolidine-1-carboxylic acid tert-butyl ester103057-44-949 % similar