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4-Thiocarbamoyl-piperazine-1-carboxylic acid tert-butyl ester196811-66-242 % similar tert-Butyl 2-oxo-7-azaspiro[3.5]nonane-7-carboxylate203661-69-242 % similar 1-Boc-4-(hydroxymethyl)-4-methyl-piperidine236406-21-642 % similar tert-Butyl 4-(2-hydroxyethyl)piperazine-1-carboxylate77279-24-442 % similar 1-(1,1-Dimethylethyl) 3-ethyl 1,3-pyrrolidinedicarboxylate170844-49-242 % similar tert-Butyl 3-cyano-4-oxopiperidine-1-carboxylate914988-10-642 % similar tert-Butyl 3-bromoazetidine-1-carboxylate1064194-10-041 % similar 1-N-Boc-3-hydroxyazetidine141699-55-041 % similar (3R,4S)-tert-Butyl 3,4-dihydroxypyrrolidine-1-carboxylate186393-22-641 % similar 1-Boc-3-(amino)azetidine193269-78-241 % similar tert-Butyl 3-iodoazetidine-1-carboxylate254454-54-141 % similar N-(tert-Butoxycarbonyl)iminodiacetic Acid56074-20-541 % similar 1-Boc-piperidine-3-carboxaldehyde118156-93-741 % similar 4-Amino-piperidine-1-carboxylic acid benzyl ester120278-07-141 % similar 1-Boc-piperazine acetate143238-38-441 % similar 4-Amino-1-boc-piperidine-4-carboxylic acid183673-71-441 % similar 3-Bromo-4-oxo-piperidine-1-carboxylic acid tert-butyl ester188869-05-841 % similar tert-Butyl 3-fluoro-4-oxopiperidine-1-carboxylate211108-50-841 % similar 1-Boc-4-spiro-[3-(2-pyrrolidinone)] piperidine268550-48-741 % similar (S)-1-N-Boc-3-isopropylpiperazine475272-54-941 % similar