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1-tert-Butyl 3-methyl piperazine-1,3-dicarboxylate129799-08-2100 % similar 1-(1,1-Dimethylethyl) 3-methyl (3S)-1,3-piperazinedicarboxylate314741-39-4100 % similar 1-(1,1-Dimethylethyl) 3-methyl (3R)-1,3-piperazinedicarboxylate438631-77-7100 % similar 4-[(tert-Butoxy)carbonyl]piperazine-2-carboxylic acid128019-59-067 % similar (S)-4-N-Boc-piperazine-2-carboxylic acid848482-93-967 % similar Methyl 4-[(1,1-dimethylethoxy)carbonyl]-2-piperazineacetate183742-33-863 % similar 1-tert-Butyl 3-methyl pyrrolidine-1,3-dicarboxylate122684-33-762 % similar (S)-1-Boc-pyrrolidine-3-carboxylic acid methyl ester313706-15-962 % similar 1-tert-Butyl 3-methyl (3R)-pyrrolidine-1,3-dicarboxylate441717-40-462 % similar tert-Butyl 3-methylpiperazine-1-carboxylate120737-59-961 % similar (S)-4-N-Boc-2-methylpiperazine147081-29-661 % similar (R)-4-Boc-2-methylpiperazine163765-44-461 % similar Methyl N-boc-piperidine-3-carboxylate148763-41-161 % similar 1-tert-Butyl 3-methyl azetidine-1,3-dicarboxylate610791-05-460 % similar (S)-1-N-Boc-3-isopropylpiperazine475272-54-960 % similar tert-Butyl 3-ethylpiperazine-1-carboxylate438049-35-559 % similar tert-Butyl (3S)-3-ethylpiperazine-1-carboxylate928025-56-359 % similar 1-tert-Butyl 3-methyl 4-oxopiperidine-1,3-dicarboxylate161491-24-358 % similar 1-(1,1-Dimethylethyl) 4-methyl 1,4-piperidinedicarboxylate124443-68-158 % similar 3-Methyl 1-(phenylmethyl) 1,3-piperazinedicarboxylate129799-11-758 % similar