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3-Bromo-4-oxo-piperidine-1-carboxylic acid tert-butyl ester188869-05-842 % similar tert-Butyl 3-fluoro-4-oxopiperidine-1-carboxylate211108-50-842 % similar 1-((tert-Butoxy)carbonyl)pyrrolidine-3-carboxylic acid59378-75-542 % similar (3R)-1-[(tert-Butoxy)carbonyl]pyrrolidine-3-carboxylic acid72925-16-742 % similar 3-Acetyl-piperidine-1-carboxylic acid tert-butyl ester858643-92-242 % similar 1-Boc-4-(2-carboxyphenyl)piperazine444582-90-541 % similar 1,1-Dimethylethyl 1-piperidinecarboxylate75844-69-841 % similar tert-Butyl3-((methylamino)methyl)azetidine-1-carboxylate1049730-81-541 % similar tert-Butyl 3,9-diazaspiro[5.5]undecane-3-carboxylate173405-78-241 % similar Benzyl piperazine-1-carboxylate31166-44-641 % similar 4-P-Aminophenyl-1-boc-piperidine170011-57-141 % similar 1-(1,1-Dimethylethyl) 2-(phenylmethyl) (2S)-5-oxo-1,2-pyrrolidinedicarboxylate113400-36-541 % similar 3-Oxopyrrolidine-1-carboxylic acid tert-butyl ester101385-93-741 % similar tert-Butyl 3-formylazetidine-1-carboxylate177947-96-541 % similar tert-Butyl 3-methoxyazetidine-1-carboxylate429669-07-841 % similar N-Boc-piperidine-3-methanol116574-71-141 % similar tert-Butyl (3S,4R)-3-fluoro-4-hydroxypiperidine-1-carboxylate1174020-40-641 % similar 1,1-Dimethylethyl (3R,4S)-3-fluoro-4-hydroxy-1-piperidinecarboxylate1174020-42-841 % similar 1-tert-Butyl 3-methyl pyrrolidine-1,3-dicarboxylate122684-33-741 % similar tert-Butyl 2-(hydroxymethyl)morpholine-4-carboxylate135065-69-941 % similar