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1-tert-Butyl 4-ethyl piperidine-1,4-dicarboxylate142851-03-4100 % similar 1-(1,1-Dimethylethyl) 3-ethyl 1,3-pyrrolidinedicarboxylate170844-49-285 % similar Ethyl 1-boc-3-piperidinecarboxylate130250-54-374 % similar 1-(1,1-Dimethylethyl) 4-methyl 1,4-piperidinedicarboxylate124443-68-170 % similar 1-tert-Butyl 4-ethyl 5-oxoazepane-1,4-dicarboxylate141642-82-269 % similar tert-Butyl 4-(3-ethoxy-3-oxopropanoyl)piperidine-1-carboxylate479630-08-567 % similar 1-tert-Butyl 4-ethyl 3-oxopiperidine-1,4-dicarboxylate71233-25-567 % similar Ethyl 1-[(1,1-dimethylethoxy)carbonyl]-4-piperidineacetate135716-09-564 % similar 4-Acetyl-piperidine-1-carboxylic acid tert-butyl ester206989-61-961 % similar 1-(1,1-Dimethylethyl) 3-ethyl 4-oxo-1,3-piperidinedicarboxylate98977-34-560 % similar 1-(tert-Butoxycarbonyl)-4-piperidinecarboxylic acid174316-71-360 % similar N-Boc-piperidine-4-carboxylic acid84358-13-460 % similar 1-(tert-Butoxycarbonyl)piperidine-4-carboxamide91419-48-660 % similar 1-tert-Butyl 3-methyl pyrrolidine-1,3-dicarboxylate122684-33-759 % similar (S)-1-Boc-pyrrolidine-3-carboxylic acid methyl ester313706-15-959 % similar 1-tert-Butyl 3-methyl (3R)-pyrrolidine-1,3-dicarboxylate441717-40-459 % similar 1-tert-Butyl 3-ethyl 4-oxopyrrolidine-1,3-dicarboxylate146256-98-659 % similar tert-Butyl 4-carbamothioylpiperidine-1-carboxylate214834-18-157 % similar tert-Butyl 4-(2-Bromoacetyl)piperidine-1-carboxylate301221-79-457 % similar tert-Butyl 4-hydroxypiperidine-1-carboxylate109384-19-256 % similar