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(R)-3-((tert-Butoxycarbonyl)amino)butanoic acid159991-23-850 % similar (S)-3-Amino-4-(2-fluorophenyl)butanoic acid hydrochloride246876-92-649 % similar Boc-L-2-methylphenylalanine114873-05-148 % similar N-(tert-Butoxycarbonyl)-L-aspartic acid13726-67-548 % similar 1,1-Dimethylethyl N-[(1S,3S,4S)-4-amino-3-hydroxy-5-phenyl-1-(phenylmethyl)pentyl]carbamate butanedioate (2:1)183388-64-948 % similar (βS)-β-[[(9H-Fluoren-9-ylmethoxy)carbonyl]amino]-2-(trifluoromethyl)benzenebutanoic acid270065-75-348 % similar (βS)-β-[[(9H-Fluoren-9-ylmethoxy)carbonyl]amino]-2-methylbenzenebutanoic acid270062-91-448 % similar (βS)-4-(1,1-Dimethylethoxy)-β-[[(9H-fluoren-9-ylmethoxy)carbonyl]amino]benzenebutanoic acid219967-69-847 % similar (R)-3-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-4-(tert-butoxy)butanoic acid203854-51-747 % similar Boc-3,4-difluoro-D-phenylalanine205445-51-847 % similar Boc-L-phenylalanine13734-34-447 % similar N-tert-Butoxycarbonyl-D-phenylalanine18942-49-947 % similar (βS)-2-Cyano-β-[[(9H-fluoren-9-ylmethoxy)carbonyl]amino]benzenebutanoic acid270065-84-446 % similar (βS)-2-Chloro-β-[[(9H-fluoren-9-ylmethoxy)carbonyl]amino]benzenebutanoic acid270596-37-746 % similar Sitagliptin defuoro impurity 3851307-12-546 % similar 1,1-Dimethylethyl N-[(1R)-2-hydroxy-1-phenylethyl]carbamate102089-74-745 % similar Boc-(S)-3-amino-4-(2-trifluoromethyl-phenyl)-butyric acid270065-74-245 % similar 1-(Phenylmethyl) hydrogen N-((1,1-dimethylethoxy)carbonyl)-L-glutamate30924-93-745 % similar N-((1,1-Dimethylethoxy)carbonyl)-3-fluoro-L-phenylalanine114873-01-744 % similar N-[(1,1-Dimethylethoxy)carbonyl]-3-fluoro-D-phenylalanine114873-11-944 % similar