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(R)-3-Hydroxymethyl-piperazine-1-carboxylic acid tert-butyl ester278788-66-249 % similar 4-N-Boc-2-hydroxymethylpiperazine301673-16-549 % similar 1,1-Dimethylethyl (3S)-3-(hydroxymethyl)-1-piperazinecarboxylate314741-40-749 % similar (R)-4-(tert-Butoxycarbonyl)morpholine-2-carboxylic acid884512-77-049 % similar Rel-1,1-Dimethylethyl (3R,4R)-3-fluoro-4-hydroxy-1-pyrrolidinecarboxylate869481-93-649 % similar 1,1-Dimethylethyl 3-(1-hydroxy-1-methylethyl)-1-azetidinecarboxylate1257293-79-049 % similar 1-Boc-3-cyanoazetidine142253-54-149 % similar 1-Boc-Azetidine-3-carboxylic acid142253-55-249 % similar 4-(2-Amino-ethyl)-piperazine-1-carboxylic acid tert-butyl ester192130-34-049 % similar 4-Thiocarbamoyl-piperazine-1-carboxylic acid tert-butyl ester196811-66-249 % similar 3-Ethynyl-1-azetidinecarboxylic acid tert-butyl ester287193-01-549 % similar 1-Boc-4-methylenepiperidine159635-49-149 % similar 3-Oxo-azetidine-1-carboxylic acid tert-butyl ester398489-26-449 % similar N-(tert-Butoxycarbonyl)-2,5-dihydro-1H-pyrrole73286-70-149 % similar tert-Butyl 4-(6-aminopyridin-3-yl)piperidine-1-carboxylate1198408-35-348 % similar 4-[(tert-Butoxy)carbonyl]piperazine-2-carboxylic acid128019-59-048 % similar Ethyl 1-[(1,1-dimethylethoxy)carbonyl]-4-piperidineacetate135716-09-548 % similar 1-Boc-4-[methoxy(methyl)carbamoyl]piperidine139290-70-348 % similar (S)-4-N-Boc-piperazine-2-carboxylic acid848482-93-948 % similar tert-Butyl 3-cyano-4-oxopiperidine-1-carboxylate914988-10-648 % similar