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2,5-Diaza-bicyclo[2.2.1]heptane-2-carboxylic acid tert-butyl ester198989-07-035 % similar (S)-3-Hydroxymethyl-pyrrolidine-1-carboxylic acid tert-butyl ester199174-24-835 % similar 3-(4-(tert-Butoxycarbonyl)piperazin-1-yl)propanoic acid242459-97-835 % similar Azetidine-1,2-dicarboxylic acid 1-tert-butyl ester 2-methyl ester255882-72-535 % similar (S)-(-)-1-Boc-2-pyrrolidinemethanol69610-40-835 % similar N-(tert-Butoxycarbonyl)-D-prolinol83435-58-935 % similar Rel-1,1-Dimethylethyl (3R,4R)-3-fluoro-4-hydroxy-1-pyrrolidinecarboxylate869481-93-635 % similar Di-tert-butyl (2S)-5-oxopyrrolidine-1,2-dicarboxylate91229-91-335 % similar Boc-N-methyl-L-isoleucine52498-32-535 % similar 1-(1,1-Dimethylethyl) 4-(4-carboxyphenyl)-1-piperidinecarboxylate149353-75-334 % similar N-Boc-N,N-bis(2-chloroethyl)amine118753-70-134 % similar 1,1-Dimethylethyl 3,3-difluoro-1-azetidinecarboxylate1255666-59-134 % similar 1-Boc-4-methylpiperazine53788-49-134 % similar tert-Butyl piperazine-1-carboxylate57260-71-634 % similar tert-Butyl 4-oxopiperidine-1-carboxylate79099-07-334 % similar 4-N-Boc-4-N-methyl-aminopiperidine108612-54-034 % similar tert-Butyl 3-methylidenepyrrolidine-1-carboxylate114214-71-034 % similar 1-tert-Butoxycarbonyl-4-piperidinecarboxaldehyde137076-22-334 % similar 1-Boc-3-cyanoazetidine142253-54-134 % similar 1-Boc-4-(hydroxymethyl)-4-methyl-piperidine236406-21-634 % similar