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tert-Butyl 3-formylazetidine-1-carboxylate177947-96-539 % similar tert-Butyl 3-methoxyazetidine-1-carboxylate429669-07-839 % similar 3,6-Diazabicyclo[3.1.1]heptane-6-carboxylic acid tert-butyl ester869494-16-639 % similar (1r,3r)-3-(((tert-Butoxy)carbonyl)amino)cyclobutane-1-carboxylic acid1008773-79-239 % similar 1,1-Dimethylethyl (2S)-2-formyl-1-pyrrolidinecarboxylate69610-41-939 % similar N-(tert-Butoxycarbonyl)-D-prolinal73365-02-339 % similar (4S,5R)-3-(tert-Butoxycarbonyl)-2,2-dimethyl-4-phenyloxazolidine-5-carboxylic acid143527-70-239 % similar tert-Butyl (2S)-2-carbamothioylpyrrolidine-1-carboxylate101410-18-838 % similar 1-tert-Butyl 2-methyl piperidine-1,2-dicarboxylate167423-93-038 % similar 1-Boc-pyrrolidine-3-acetic acid175526-97-338 % similar (R)-3-Carboxymethyl-pyrrolidine-1-carboxylic acid tert-butyl ester204688-60-838 % similar (3S)-1-[(1,1-Dimethylethoxy)carbonyl]-3-pyrrolidineacetic acid204688-61-938 % similar tert-Butyl 2-(hydroxymethyl)piperazine-1-carboxylate205434-75-938 % similar N-Boc-3,4-dehydro-L-proline methyl ester74844-93-238 % similar trans-tert-Butyl 4-fluoro-3-hydroxypiperidine-1-carboxylate955028-82-738 % similar [(tert-Butoxycarbonyl)(methyl)amino]acetic acid13734-36-638 % similar tert-Butyl octahydropyrrolo(3,4-c)pyrrole-2-carboxylate141449-85-638 % similar cis-tert-Butyl 5-oxohexahydrocyclopenta[c]pyrrole-2(1H)-carboxylate146231-54-138 % similar N-Boc-hexahydro-5-oxocyclopenta[C]pyrrole148404-28-838 % similar 4-Chloro-piperidine-1-carboxylic acid tert-butyl ester154874-94-938 % similar