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1,1-Dimethylethyl (2S)-2-(phenylmethyl)-1-piperazinecarboxylate169447-86-3100 % similar 1,1-Dimethylethyl 2-(phenylmethyl)-1-piperazinecarboxylate481038-63-5100 % similar 1-Boc-2-benzyl-piperidin-4-one193480-28-365 % similar 1,1-Dimethylethyl (2R)-2-ethyl-1-piperazinecarboxylate393781-70-964 % similar tert-Butyl 2-(hydroxymethyl)piperazine-1-carboxylate205434-75-963 % similar 1,1-Dimethylethyl (2S)-2-(2-methylpropyl)-1-piperazinecarboxylate674792-06-461 % similar tert-Butyl 3-Benzylpiperazine-1-carboxylate502649-29-857 % similar tert-Butyl 2-methylpiperazine-1-carboxylate120737-78-256 % similar 1,1-Dimethylethyl (2S)-2-methyl-1-piperazinecarboxylate169447-70-556 % similar (R)-1-N-Boc-2-methylpiperazine170033-47-356 % similar (S)-1-Boc-2-isopropylpiperazine674792-05-355 % similar 1-Boc-2-piperazinecarboxylic acid1214196-85-652 % similar (R)-4-Boc-piperazine-3-carboxylic acid278788-60-652 % similar 3-(N-tert-Butoxycarbonyl-N-methylamino)pyrrolidine172478-00-151 % similar tert-Butyl 4-benzylpiperazine-1-carboxylate57260-70-551 % similar 1-(1,1-Dimethylethyl) 2-methyl 1,2-piperazinedicarboxylate129799-15-151 % similar (S)-1-N-Boc-piperazine-2-carboxylic acid methyl ester796096-64-551 % similar Boc-N-methyl-L-phenylalanine37553-65-449 % similar N-Boc-N-methyl-D-phenylalanine85466-66-649 % similar 1-N-Boc-4-(phenylamino)piperidine125541-22-248 % similar