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1-(Ethoxycarbonyl)-4-piperidone29976-53-2100 % similar 1-N-Ethoxycarbonyl-3-pyrrolidone14891-10-279 % similar Ethyl 1-piperazinecarboxylate120-43-461 % similar Ethyl 4-amino-1-piperidinecarboxylate58859-46-456 % similar Ethyl 4-hydroxypiperidine-1-carboxylate65214-82-656 % similar tert-Butyl 4-oxopiperidine-1-carboxylate79099-07-355 % similar 4-(2-Hydroxyethyl)-piperazin-1-carboxylic acid ethyl ester14000-66-954 % similar Ethyl 4-(methylamino)-1-piperidinecarboxylate73733-69-453 % similar 1-(Ethoxycarbonyl)-4-piperidinecarboxylic acid118133-15-651 % similar Benzyl 4-oxo-1-piperidinecarboxylate19099-93-551 % similar N-Boc-hexahydro-1H-azepin-4-one188975-88-449 % similar Diethyl γ-ketopimelate6317-49-348 % similar N-Carbethoxy-4-tropinone32499-64-247 % similar 1-Fmoc-4-piperidone204376-55-645 % similar 1-Acetyl-4-piperidone32161-06-145 % similar tert-Butyl 4-(2-ethoxy-2-oxoethylidene)piperidine-1-carboxylate135716-08-444 % similar 3-Oxopyrrolidine-1-carboxylic acid tert-butyl ester101385-93-743 % similar Ethyl 4-oxocyclohexanecarboxylate17159-79-443 % similar N-Methyl-N-nitrosourethane615-53-243 % similar Benzyl 3-oxopyrrolidine-1-carboxylate130312-02-643 % similar