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1-(Ethoxycarbonyl)-4-piperidinecarboxylic acid118133-15-6100 % similar Ethyl 4-hydroxypiperidine-1-carboxylate65214-82-664 % similar 1-(tert-Butoxycarbonyl)-4-piperidinecarboxylic acid174316-71-362 % similar N-Boc-piperidine-4-carboxylic acid84358-13-462 % similar Ethyl 4-amino-1-piperidinecarboxylate58859-46-459 % similar 1-Carbobenzoxy-4-piperidinecarboxylic Acid10314-98-458 % similar Ethyl 4-(methylamino)-1-piperidinecarboxylate73733-69-456 % similar 1-Acetylpiperidine-4-carboxylic acid25503-90-654 % similar Fmoc-isonipecotic acid148928-15-853 % similar Ethyl 1-piperazinecarboxylate120-43-451 % similar 1-(Ethoxycarbonyl)-4-piperidone29976-53-251 % similar (3S)-1-[(tert-Butoxy)carbonyl]pyrrolidine-3-carboxylic acid140148-70-551 % similar 1-((tert-Butoxy)carbonyl)pyrrolidine-3-carboxylic acid59378-75-551 % similar (3R)-1-[(tert-Butoxy)carbonyl]pyrrolidine-3-carboxylic acid72925-16-751 % similar 4-(2-Hydroxyethyl)-piperazin-1-carboxylic acid ethyl ester14000-66-950 % similar 1-tert-Butyl 4-ethyl piperidine-1,4-dicarboxylate142851-03-450 % similar 1-Methyl-piperidine-4-carboxylic acid68947-43-350 % similar 1-N-Cbz-pyrrolidine-3-carboxylic acid188527-21-149 % similar 1-Benzoylpiperidine-4-carboxylic acid5274-99-747 % similar 1-Methylisonipecotic acid hydrochloride71985-80-346 % similar