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tert-Butyl 3-methylidenepyrrolidine-1-carboxylate114214-71-044 % similar tert-Butyl 7-oxo-2-azaspiro[3.5]nonane-2-carboxylate1363381-22-944 % similar N-Boc-hexahydro-1H-azepin-4-one188975-88-444 % similar 4-(2-Amino-ethyl)-piperazine-1-carboxylic acid tert-butyl ester192130-34-044 % similar 4-Thiocarbamoyl-piperazine-1-carboxylic acid tert-butyl ester196811-66-244 % similar tert-Butyl 2-oxo-7-azaspiro[3.5]nonane-7-carboxylate203661-69-244 % similar 1-Boc-4-(hydroxymethyl)-4-methyl-piperidine236406-21-644 % similar 2-(tert-Butoxycarbonyl)-2,7-diazaspiro[3.5]nonane236406-55-644 % similar tert-Butyl 4-(2-hydroxyethyl)piperazine-1-carboxylate77279-24-444 % similar tert-Butyl 2,7-diazaspiro[3.5]nonane-7-carboxylate896464-16-744 % similar 1-Boc-3-piperidone98977-36-744 % similar 4-[(tert-Butoxy)carbonyl]piperazine-2-carboxylic acid128019-59-043 % 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 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1-piperidinecarboxylate1048970-17-743 % similar 1-Boc-piperazine acetate143238-38-443 % similar tert-Butyl 4-(3-hydroxypropyl)tetrahydro-1(2H)-pyridinecarboxylate156185-63-643 % similar [1-(tert-Butoxycarbonyl)piperidin-4-yl]acetic acid157688-46-543 % similar Tetrt-butyl5-methyl-1,4-diazepane-1-carboxylate194032-42-343 % similar 1,1-Dimethylethyl 4-(chlorosulfonyl)-1-piperidinecarboxylate782501-25-143 % similar