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1,1-Dimethylethyl (2S)-2-(phenylmethyl)-1-piperazinecarboxylate169447-86-346 % similar 1,1-Dimethylethyl 2-(phenylmethyl)-1-piperazinecarboxylate481038-63-546 % similar 1,1-Dimethylethyl 1-pyrrolidinecarboxylate86953-79-946 % similar 1,1-Dimethylethyl 5-oxo-2-azabicyclo[2.2.1]heptane-2-carboxylate198835-06-245 % similar tert-Butyl 1,4-diazepane-1-carboxylate112275-50-045 % similar 2-(tert-Butoxycarbonyl)-2,7-diazaspiro[3.5]nonane236406-55-645 % similar 3-Ethynyl-1-azetidinecarboxylic acid tert-butyl ester287193-01-545 % similar tert-Butyl 2,7-diazaspiro[3.5]nonane-7-carboxylate896464-16-745 % similar tert-Butyl 3-bromoazetidine-1-carboxylate1064194-10-045 % similar 1-N-Boc-3-hydroxyazetidine141699-55-045 % similar (3R,4S)-tert-Butyl 3,4-dihydroxypyrrolidine-1-carboxylate186393-22-645 % similar 1-Boc-3-(amino)azetidine193269-78-245 % similar tert-Butyl 3-iodoazetidine-1-carboxylate254454-54-145 % similar tert-Butyl N-(azetidin-3-ylmethyl)carbamate91188-15-745 % similar 1-Boc-2-piperazinecarboxylic acid1214196-85-644 % similar (R)-4-Boc-piperazine-3-carboxylic acid278788-60-644 % similar 1,1-Dimethylethyl (1S,3S,5S)-3-(aminocarbonyl)-2-azabicyclo[3.1.0]hexane-2-carboxylate361440-67-744 % similar 3-Oxo-azetidine-1-carboxylic acid tert-butyl ester398489-26-444 % similar N-(tert-Butoxycarbonyl)-2,5-dihydro-1H-pyrrole73286-70-144 % similar 1,1-Dimethylethyl 1-piperidinecarboxylate75844-69-844 % similar