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1-(1,1-Dimethylethyl) 3-methyl (3S)-1,3-piperazinedicarboxylate314741-39-444 % similar 1-(1,1-Dimethylethyl) 3-methyl (3R)-1,3-piperazinedicarboxylate438631-77-744 % similar 3-Ethoxycarbonylmethylene-azetidine-1-carboxylic acid tert-butyl ester1002355-96-544 % similar tert-Butyl (3S,4R)-3-fluoro-4-hydroxypiperidine-1-carboxylate1174020-40-644 % similar 1,1-Dimethylethyl (3R,4S)-3-fluoro-4-hydroxy-1-piperidinecarboxylate1174020-42-844 % similar tert-Butyl 3-ethylpiperazine-1-carboxylate438049-35-544 % similar tert-Butyl (3S)-3-ethylpiperazine-1-carboxylate928025-56-344 % similar tert-Butyl (R)-3-formylpyrrolidine-1-carboxylate191347-94-144 % similar (S)-tert-Butyl 3-formylpyrrolidine-1-carboxylate191348-04-644 % similar (+-)-1-(tert-Butoxycarbonyl)pyrrolidine-3-carboxaldehyde59379-02-144 % similar tert-Butyl 6-Oxa-3-azabicyclo(3.1.0)hexane-3-carboxylate114214-49-243 % similar cis-tert-Butyl 4-amino-3-fluoropiperidine-1-carboxylate577691-56-643 % similar rac-tert-Butyl (3R,4R)-4-amino-3-fluoropiperidine-1-carboxylate907544-16-543 % similar tert-Butyl (3S,4R)-4-amino-3-fluoropiperidine-1-carboxylate907544-20-143 % similar 1-Boc-3-fluoro-4-aminopiperidine934536-10-443 % similar trans-tert-Butyl 4-fluoro-3-hydroxypiperidine-1-carboxylate955028-82-743 % similar Diethyl succinylsuccinate787-07-543 % similar 1,1-Dimethylethyl 1-pyrrolidinecarboxylate86953-79-943 % similar tert-Butyl 3-(hydroxymethyl)pyrrolidine-1-carboxylate114214-69-643 % similar tert-Butyl 3-methylpiperazine-1-carboxylate120737-59-943 % similar