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1-Boc-2-phenyl-piperidin-4-one849928-30-9100 % similar 1-Boc-2-benzyl-piperidin-4-one193480-28-367 % similar tert-Butyl 2-methyl-4-oxopiperidine-1-carboxylate190906-92-459 % similar 1-Piperidinecarboxylicacid,2-methyl-4-oxo-,1,1-dimethylethylester,(2R)-(9ci)790667-43-559 % similar 1-tert-Butyl 2-methyl 4-oxopiperidine-1,2-dicarboxylate81357-18-853 % similar tert-Butyl (2R,3S)-6-oxo-2,3-diphenylmorpholine-4-carboxylate112741-49-850 % similar 1,1-Dimethylethyl (2S,3R)-6-oxo-2,3-diphenyl-4-morpholinecarboxylate112741-50-150 % similar tert-Butyl 3-phenylpiperazine-1-carboxylate502649-25-448 % similar tert-Butyl 4-oxopiperidine-1-carboxylate79099-07-347 % similar 1,1-Dimethylethyl (2S)-2-(phenylmethyl)-1-piperazinecarboxylate169447-86-346 % similar 4-[(1,1-Dimethylethoxy)carbonyl]-α-phenyl-1-piperazineacetic acid347186-49-646 % similar 1,1-Dimethylethyl 2-(phenylmethyl)-1-piperazinecarboxylate481038-63-546 % similar 3-Oxopyrrolidine-1-carboxylic acid tert-butyl ester101385-93-745 % similar 1-N-Boc-4-(phenylamino)piperidine125541-22-244 % similar tert-Butyl 4-benzylpiperazine-1-carboxylate57260-70-544 % similar 1,2-Bis(1,1-dimethylethyl) (2S)-4-oxo-1,2-pyrrolidinedicarboxylate166410-05-544 % similar N-Boc-hexahydro-1H-azepin-4-one188975-88-443 % similar Boc-hyp(bzl)-oh54631-81-143 % similar (2S,4S)-(-)-N-Boc-4-diphenylphosphino-2-diphenylphosphinomethyl-pyrrolidine61478-28-242 % similar 1-(1,1-Dimethylethyl) (2S)-4-oxo-1,2-pyrrolidinedicarboxylate84348-37-842 % similar