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2,8-Diaza-spiro[4.5]decane-8-carboxylic acid tert-butyl ester236406-39-647 % similar tert-Butyl 2,8-diazaspiro[4.5]decane-2-carboxylate336191-17-447 % similar 1,1-Dimethylethyl 3-(1-hydroxy-1-methylethyl)-1-azetidinecarboxylate1257293-79-047 % similar 1-tert-Butoxycarbonyl-4-piperidinecarboxaldehyde137076-22-347 % similar 1-Boc-3-cyanoazetidine142253-54-147 % similar 1-Boc-Azetidine-3-carboxylic acid142253-55-247 % similar N-Boc-hexahydro-1H-azepin-4-one188975-88-447 % similar 4-Thiocarbamoyl-piperazine-1-carboxylic acid tert-butyl ester196811-66-247 % similar 2-(tert-Butoxycarbonyl)-2,7-diazaspiro[3.5]nonane236406-55-647 % similar 3-Ethynyl-1-azetidinecarboxylic acid tert-butyl ester287193-01-547 % similar tert-Butyl 2,7-diazaspiro[3.5]nonane-7-carboxylate896464-16-747 % similar 1-Boc-3-piperidone98977-36-747 % similar 3-Hydroxy-3-methyl-azetidine-1-carboxylic acid tert-butyl ester1104083-23-946 % similar 1-Boc-4-methylenepiperidine159635-49-146 % similar 3-Oxo-azetidine-1-carboxylic acid tert-butyl ester398489-26-446 % similar N-(tert-Butoxycarbonyl)-2,5-dihydro-1H-pyrrole73286-70-146 % similar 1-(1,1-Dimethylethyl) 3-ethyl 1,3-pyrrolidinedicarboxylate170844-49-246 % similar tert-Butyl 3-cyano-4-oxopiperidine-1-carboxylate914988-10-646 % similar tert-Butyl 4-carbamothioylpiperidine-1-carboxylate214834-18-146 % similar 1-Boc-4-spiro-[3-(2-pyrrolidinone)] piperidine268550-48-746 % similar