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tert-Butyl 4-(3-ethoxy-3-oxopropanoyl)piperidine-1-carboxylate479630-08-5100 % similar Ethyl 1-[(1,1-dimethylethoxy)carbonyl]-4-piperidineacetate135716-09-567 % similar 1-tert-Butyl 4-ethyl piperidine-1,4-dicarboxylate142851-03-467 % similar tert-Butyl 4-(2-Bromoacetyl)piperidine-1-carboxylate301221-79-461 % similar 1-(1,1-Dimethylethyl) 3-ethyl 1,3-pyrrolidinedicarboxylate170844-49-260 % similar Ethyl 3-cyclopentyl-3-oxopropanoate24922-00-760 % similar 1-tert-Butyl 4-ethyl 5-oxoazepane-1,4-dicarboxylate141642-82-259 % similar Ethyl 3-cyclopropyl-3-oxopropanoate24922-02-959 % similar 1-(1,1-Dimethylethyl) 4-ethyl 3-oxo-1,4-piperidinedicarboxylate71233-25-557 % similar tert-Butyl 3-(2-ethoxy-2-oxoethyl)azetidine-1-carboxylate158602-35-856 % similar 1-tert-Butoxycarbonyl-4-acetylpiperidine206989-61-954 % similar 1-(tert-Butoxycarbonyl)-4-piperidinecarboxylic acid174316-71-353 % similar N-Boc-piperidine-4-carboxylic acid84358-13-453 % similar 1-(tert-Butoxycarbonyl)piperidine-4-carboxamide91419-48-653 % similar Ethyl 1-boc-3-piperidinecarboxylate130250-54-353 % similar 1-(1,1-Dimethylethyl) 4-methyl 1,4-piperidinedicarboxylate124443-68-152 % similar 1-(1,1-Dimethylethyl) 3-ethyl propanedioate32864-38-351 % similar tert-Butyl 4-carbamothioylpiperidine-1-carboxylate214834-18-151 % similar 1-(1,1-Dimethylethyl) 3-ethyl 4-oxo-1,3-piperidinedicarboxylate98977-34-551 % similar tert-Butyl 4-hydroxypiperidine-1-carboxylate109384-19-250 % similar