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1,1-Dimethylethyl 9-oxo-3-azaspiro[5.5]undecane-3-carboxylate873924-08-441 % similar tert-Butyl 3-formylazetidine-1-carboxylate177947-96-540 % similar tert-Butyl 4,4-difluoropiperidine-1-carboxylate281652-10-640 % similar tert-Butyl (R)-3-formylpyrrolidine-1-carboxylate191347-94-140 % similar (S)-tert-Butyl 3-formylpyrrolidine-1-carboxylate191348-04-640 % similar tert-Butyl 2-oxo-6-azaspiro[3.4]octane-6-carboxylate203661-71-640 % similar N-Boc-3-methylene-piperidine276872-89-040 % similar (+-)-1-(tert-Butoxycarbonyl)pyrrolidine-3-carboxaldehyde59379-02-140 % similar tert-Butyl 2,6-diazaspiro(3.4)octane-6-carboxylate885270-86-040 % similar tert-Butyl 4,7-diazaspiro(2.5)octane-7-carboxylate886766-28-540 % similar tert-Butyl 4-hydroxypiperidine-1-carboxylate109384-19-240 % similar tert-Butyl 1-oxa-6-azaspiro(2.5)octane-6-carboxylate147804-30-640 % similar 4-Chloro-piperidine-1-carboxylic acid tert-butyl ester154874-94-940 % similar tert-Butyl 4-bromopiperidine-1-carboxylate180695-79-840 % similar 1,1-Dimethylethyl 3,8-diazabicyclo[3.2.1]octane-3-carboxylate201162-53-040 % similar 7-Boc-2-oxa-7-azaspiro[3.5]nonane240401-27-840 % similar tert-Butyl 4-iodopiperidine-1-carboxylate301673-14-340 % similar 1-Boc-4-methyl-piperidin-4-OL406235-30-140 % similar 1-Boc-3-methylaminoazetidine454703-20-940 % similar tert-Butyl 4-aminopiperidine-1-carboxylate87120-72-740 % similar