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tert-Butyl 3-methylpiperazine-1-carboxylate120737-59-945 % similar (S)-4-N-Boc-2-methylpiperazine147081-29-645 % similar 1,1-Dimethylethyl (3S)-3-(methylamino)-1-pyrrolidinecarboxylate147081-59-245 % similar (R)-4-Boc-2-methylpiperazine163765-44-445 % similar 1-Pyrrolidinecarboxylicacid,3-(methylamino)-,1,1-dimethylethylester,(R)-(9ci)199336-83-945 % similar tert-Butyl 2-oxo-1,7-diazaspiro(3.5)nonane-7-carboxylate392331-78-145 % similar 1-Boc-3-methylaminopyrrolidine454712-26-645 % similar 4-N-Boc-4-N-methyl-aminopiperidine108612-54-045 % similar tert-Butyl 3-methylidenepyrrolidine-1-carboxylate114214-71-045 % similar 1,1-Dimethylethyl 3-(1-hydroxy-1-methylethyl)-1-azetidinecarboxylate1257293-79-045 % similar 1-tert-Butoxycarbonyl-4-piperidinecarboxaldehyde137076-22-345 % similar 1-Boc-3-cyanoazetidine142253-54-145 % similar 1-Boc-Azetidine-3-carboxylic acid142253-55-245 % similar N-Boc-hexahydro-1H-azepin-4-one188975-88-445 % similar 4-(2-Amino-ethyl)-piperazine-1-carboxylic acid tert-butyl ester192130-34-045 % similar 4-Thiocarbamoyl-piperazine-1-carboxylic acid tert-butyl ester196811-66-245 % similar 1-Boc-4-(hydroxymethyl)-4-methyl-piperidine236406-21-645 % similar 3-Ethynyl-1-azetidinecarboxylic acid tert-butyl ester287193-01-545 % similar tert-Butyl 4-(2-hydroxyethyl)piperazine-1-carboxylate77279-24-445 % similar 1-Boc-3-piperidone98977-36-745 % similar