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tert-Butyl 2-(hydroxymethyl)piperazine-1-carboxylate205434-75-9100 % similar 1,1-Dimethylethyl (2R)-2-ethyl-1-piperazinecarboxylate393781-70-973 % similar 1,1-Dimethylethyl (2S)-2-(2-methylpropyl)-1-piperazinecarboxylate674792-06-470 % similar tert-Butyl (2S)-2-(hydroxymethyl)azetidine-1-carboxylate161511-85-968 % similar tert-Butyl 2-(hydroxymethyl)azetidine-1-carboxylate174346-82-868 % similar tert-Butyl 2-methylpiperazine-1-carboxylate120737-78-264 % similar 1,1-Dimethylethyl (2S)-2-methyl-1-piperazinecarboxylate169447-70-564 % similar (R)-1-N-Boc-2-methylpiperazine170033-47-364 % similar tert-Butyl 2-(hydroxymethyl)pyrrolidine-1-carboxylate170491-63-164 % similar (S)-(-)-1-Boc-2-pyrrolidinemethanol69610-40-864 % similar N-(tert-Butoxycarbonyl)-D-prolinol83435-58-964 % similar N-Boc-piperidine-2-methanol157634-00-963 % similar (S)-1-Boc-2-isopropylpiperazine674792-05-363 % similar 1,1-Dimethylethyl (2S)-2-(phenylmethyl)-1-piperazinecarboxylate169447-86-363 % similar 1,1-Dimethylethyl 2-(phenylmethyl)-1-piperazinecarboxylate481038-63-563 % similar 1-Boc-2-piperazinecarboxylic acid1214196-85-662 % similar (R)-4-Boc-piperazine-3-carboxylic acid278788-60-662 % similar tert-Butyl (3R)-3-(hydroxymethyl)morpholine-4-carboxylate215917-99-061 % similar (S)-tert-Butyl 3-(hydroxymethyl)morpholine-4-carboxylate714971-28-561 % similar 1-(1,1-Dimethylethyl) 2-methyl 1,2-piperazinedicarboxylate129799-15-157 % similar