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tert-Butyl piperazine-1-carboxylate57260-71-657 % similar 1-Boc-azetidine-3-ylmethanol142253-56-357 % similar cis-tert-Butyl 5-oxohexahydrocyclopenta[c]pyrrole-2(1H)-carboxylate146231-54-157 % similar N-Boc-hexahydro-5-oxocyclopenta[C]pyrrole148404-28-857 % similar 1-Boc-3-(aminomethyl)azetidine325775-44-857 % similar 1,1-Dimethylethyl 3-acetyl-1-azetidinecarboxylate870089-49-957 % similar tert-Butyl 3-ethylpiperazine-1-carboxylate438049-35-556 % similar tert-Butyl (3S)-3-ethylpiperazine-1-carboxylate928025-56-356 % similar 1,1-Dimethylethyl 3-(1-hydroxy-1-methylethyl)-1-azetidinecarboxylate1257293-79-055 % similar 1-Boc-3-cyanoazetidine142253-54-155 % similar 1-Boc-Azetidine-3-carboxylic acid142253-55-255 % similar 3-Ethynyl-1-azetidinecarboxylic acid tert-butyl ester287193-01-555 % similar (R)-3-Hydroxymethyl-piperazine-1-carboxylic acid tert-butyl ester278788-66-255 % similar 4-N-Boc-2-hydroxymethylpiperazine301673-16-555 % similar 1,1-Dimethylethyl (3S)-3-(hydroxymethyl)-1-piperazinecarboxylate314741-40-755 % similar 1-tert-Butyl 3-methyl azetidine-1,3-dicarboxylate610791-05-454 % similar 1,1-Dimethylethyl 3-(2-aminoethyl)-1-azetidinecarboxylate898271-20-054 % similar 1,1-Dimethylethyl 1-pyrrolidinecarboxylate86953-79-953 % similar 1-Boc-4-methylpiperazine53788-49-153 % similar (1R,5S,6r)-3-(tert-Butoxycarbonyl)-3-azabicyclo[3.1.0]hexane-6-carboxylic acid1401464-07-053 % similar