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4-(2-Amino-ethyl)-piperazine-1-carboxylic acid tert-butyl ester192130-34-038 % similar 4-Thiocarbamoyl-piperazine-1-carboxylic acid tert-butyl ester196811-66-238 % similar tert-Butyl 2-oxo-7-azaspiro[3.5]nonane-7-carboxylate203661-69-238 % similar 1-Boc-4-(hydroxymethyl)-4-methyl-piperidine236406-21-638 % similar tert-Butyl 4-(2-hydroxyethyl)piperazine-1-carboxylate77279-24-438 % similar tert-Butyl 2,7-diazaspiro[3.5]nonane-7-carboxylate896464-16-738 % similar 1-tert-Butyl 4-ethyl 5-oxoazepane-1,4-dicarboxylate141642-82-238 % similar 1-Boc-piperidine-3-carboxaldehyde118156-93-738 % similar (S)-1-N-Boc-3-isopropylpiperazine475272-54-938 % similar 4-[5-(4,4,5,5-Tetramethyl-[1,3,2]dioxaborolan-2-yl)-pyridin-2-yl]-piperazine-1-carboxylic acid tert-butyl ester496786-98-238 % similar 3-Acetyl-piperidine-1-carboxylic acid tert-butyl ester858643-92-238 % similar tert-Butyl 3-bromoazetidine-1-carboxylate1064194-10-037 % similar 1-N-Boc-3-hydroxyazetidine141699-55-037 % similar (3R,4S)-tert-Butyl 3,4-dihydroxypyrrolidine-1-carboxylate186393-22-637 % similar 1-Boc-3-(amino)azetidine193269-78-237 % similar (S)-tert-Butyl 3-(4-aminophenyl)piperidine-1-carboxylate1171197-20-837 % similar tert-Butyl (S)-3-(4-bromophenyl)piperidine-1-carboxylate1476776-55-237 % similar 4-[(1,1-Dimethylethoxy)carbonyl]-α-phenyl-1-piperazineacetic acid347186-49-637 % similar 3-(4-Amino-phenyl)-piperidine-1-carboxylic acid tert-butyl ester875798-79-137 % similar tert-Butyl3-((methylamino)methyl)azetidine-1-carboxylate1049730-81-537 % similar