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3-Oxo-1-oxa-8-aza-spiro[4.5]decane-8-carboxylic acid tert-butyl ester954236-44-350 % similar tert-Butyl 2,9-diazaspiro(5.5)undecane-9-carboxylate1023595-19-849 % similar tert-Butyl 3-Cyano-4-oxo-pyrrolidine-1-carboxylate175463-32-849 % similar Ethyl N-boc-4-methylpiperidine-4-carboxylate189442-87-349 % similar 1-(tert-Butoxycarbonyl)-3-(cyanomethylene)azetidine1153949-11-149 % similar tert-Butyl 2-oxo-6-azaspiro[3.4]octane-6-carboxylate203661-71-649 % similar 1-Boc-4-ethynylpiperidine287192-97-649 % similar tert-Butyl 2,6-diazaspiro(3.4)octane-6-carboxylate885270-86-049 % similar tert-Butyl 4-hydroxypiperidine-1-carboxylate109384-19-249 % similar 4-Chloro-piperidine-1-carboxylic acid tert-butyl ester154874-94-949 % similar tert-Butyl 4-bromopiperidine-1-carboxylate180695-79-849 % similar tert-Butyl 4-iodopiperidine-1-carboxylate301673-14-349 % similar tert-Butyl 4-aminopiperidine-1-carboxylate87120-72-749 % similar 2-(4-Amino-1-(tert-butoxycarbonyl)piperidin-4-YL)acetic acid1159983-30-848 % similar N-Boc-3-cyanopiperidine91419-53-348 % similar (S)-1-N-Boc-3-cyanopiperidine915226-39-048 % similar tert-Butyl 2,8-diazaspiro[4.5]decane-2-carboxylate336191-17-448 % similar tert-Butyl 3-methylidenepyrrolidine-1-carboxylate114214-71-048 % similar N-Boc-hexahydro-1H-azepin-4-one188975-88-448 % similar 4-(2-Amino-ethyl)-piperazine-1-carboxylic acid tert-butyl ester192130-34-048 % similar