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4-N-Boc-2-hydroxymethylpiperazine301673-16-544 % similar 1,1-Dimethylethyl (3S)-3-(hydroxymethyl)-1-piperazinecarboxylate314741-40-744 % similar (R)-4-(tert-Butoxycarbonyl)morpholine-2-carboxylic acid884512-77-044 % similar tert-Butyl 4-aminomethyl-4-fluoropiperidine-1-carboxylate620611-27-044 % similar 1,1-Dimethylethyl 3-(1-hydroxy-1-methylethyl)-1-azetidinecarboxylate1257293-79-043 % similar 1-Boc-3-cyanoazetidine142253-54-143 % similar 1-Boc-Azetidine-3-carboxylic acid142253-55-243 % similar 4-(2-Amino-ethyl)-piperazine-1-carboxylic acid tert-butyl ester192130-34-043 % similar 4-Thiocarbamoyl-piperazine-1-carboxylic acid tert-butyl ester196811-66-243 % similar 3-Ethynyl-1-azetidinecarboxylic acid tert-butyl ester287193-01-543 % similar tert-Butyl 4-(2-hydroxyethyl)piperazine-1-carboxylate77279-24-443 % similar 1-tert-Butyl 4-ethyl 3-oxopiperidine-1,4-dicarboxylate71233-25-543 % similar 1-(1,1-Dimethylethyl) 3-ethyl 4-oxo-1,3-piperidinedicarboxylate98977-34-543 % similar 1-Boc-4-methylenepiperidine159635-49-143 % similar 4-[(tert-Butoxy)carbonyl]piperazine-2-carboxylic acid128019-59-043 % similar 1-Boc-4-[methoxy(methyl)carbamoyl]piperidine139290-70-343 % similar (S)-4-N-Boc-piperazine-2-carboxylic acid848482-93-943 % similar tert-Butyl 3-cyano-4-oxopiperidine-1-carboxylate914988-10-643 % similar 1,1-Dimethylethyl 3,3-difluoro-4-hydroxy-1-pyrrolidinecarboxylate1434141-81-743 % similar 3-Oxo-azetidine-1-carboxylic acid tert-butyl ester398489-26-443 % similar