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1,1-Dimethylethyl 5-oxo-2-azabicyclo[2.2.1]heptane-2-carboxylate198835-06-243 % similar Azetidine-1,2-dicarboxylic acid 1-tert-butyl ester 2-methyl ester255882-72-543 % similar (S)-(-)-1-Boc-2-pyrrolidinemethanol69610-40-843 % similar N-(tert-Butoxycarbonyl)-D-prolinol83435-58-943 % similar 1-Boc-2-phenyl-piperidin-4-one849928-30-942 % similar 4-tert-Butyl hydrogen L-aspartate3057-74-742 % similar (2R)-2-Amino-4-(tert-butoxy)-4-oxobutanoic acid64960-75-442 % similar 1-Boc-3-piperidone98977-36-742 % similar 1-N-Boc-3-hydroxyazetidine141699-55-042 % similar (3R,4S)-tert-Butyl 3,4-dihydroxypyrrolidine-1-carboxylate186393-22-642 % similar N-Boc-piperidine-2-methanol157634-00-942 % similar [1-(tert-Butoxycarbonyl)piperidin-4-yl]acetic acid157688-46-542 % similar tert-Butyl (2R,5S)-2,5-dimethylpiperazine-1-carboxylate309915-46-642 % similar (2S,5R)-2,5-Dimethyl-piperazine-1-carboxylic acid tert-butyl ester548762-66-942 % similar D-1-N-Boc-prolinamide70138-72-642 % similar Boc-D-N-me-phe DCHA102185-45-541 % similar Boc-N-me-phe DCHA40163-88-041 % similar N-[(1,1-Dimethylethoxy)carbonyl]-N-methyl-O-(phenylmethyl)-L-tyrosine64263-81-641 % similar Boc-N-ethyl glycine149794-10-541 % similar N-Boc-cis-4-hydroxy-L-proline methyl ester102195-79-941 % similar