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3-Oxopyrrolidine-1-carboxylic acid tert-butyl ester101385-93-741 % similar 1,1-Dimethylethyl 2,6-diazaspiro[3.3]heptane-2-carboxylate1041026-70-341 % similar tert-Butyl 4,4-difluoropiperidine-1-carboxylate281652-10-641 % similar tert-Butyl 2,9-diazaspiro(5.5)undecane-9-carboxylate1023595-19-841 % similar tert-Butyl 2-(aminomethyl)morpholine-4-carboxylate140645-53-041 % similar tert-Butyl 2-carbamoylpiperidine-1-carboxylate388077-74-541 % similar 3-Aminomethyl-4-boc-morpholine475106-18-441 % similar (S)-1-N-Boc-piperidine-2-carboxamide78058-41-041 % similar (S)-N-Boc-2-aminomethylmorpholine879403-42-641 % similar 3-Carbamoyl-piperidine-1-carboxylic acid tert-butyl ester91419-49-741 % similar 1,1-Dimethylethyl (2S)-2-formyl-1-pyrrolidinecarboxylate69610-41-941 % similar N-(tert-Butoxycarbonyl)-D-prolinal73365-02-341 % similar tert-Butyl 2,6-diazaspiro(3.4)octane-6-carboxylate885270-86-041 % similar 1-(tert-Butoxycarbonyl)piperidine-4-carboxamide91419-48-641 % 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 tert-Butyl (2R,6S)-2,6-dimethylpiperazine-1-carboxylate180975-66-040 % similar 7-Boc-2-oxa-7-azaspiro[3.5]nonane240401-27-840 % similar