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(S)-3-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-4-(tert-butoxy)-4-oxobutanoic acid129460-09-947 % similar Fmoc-D-asp-otbu134098-70-747 % similar Boc-beta-Hoglu(Obzl)-OH218943-30-747 % similar Boc-(R)-3-amino-4-(4-nitro-phenyl)-butyric acid219297-12-847 % similar (R)-3-((tert-Butoxycarbonyl)amino)-4-(2,4-dichlorophenyl)butanoic acid269396-53-447 % similar Boc-(R)-3-amino-4-(3-trifluoromethyl-phenyl)-butyric acid269726-74-147 % similar Boc-(S)-3-amino-4-(2,4-dichloro-phenyl)-butyric acid270063-48-447 % similar Boc-(S)-3-amino-4-(3-trifluoromethyl-phenyl)-butyric acid270065-77-547 % similar Sitagliptin defuoro impurity 3851307-12-547 % similar 2-((tert-Butoxycarbonyl)amino)-3-ethoxy-3-oxopropanoic acid137401-45-747 % similar Boc-D-leu-oh H2O200937-17-347 % similar Boc-L-cyclopentylglycine109183-72-447 % similar T-Boc-N-amido-peg1-acid1260092-44-147 % similar Boc-D-thr(tbu)-oh201217-86-947 % similar tert-Butyl trans-3-hydroxymethylcyclobutylcarbamate167081-37-047 % similar Boc-(R)-3-amino-4-(3-benzothienyl)-butyric acid190190-48-846 % similar Boc-L-beta-homotryptophan229639-48-946 % similar Boc-(S)-3-amino-4-(3-benzothienyl)-butyric acid270063-45-146 % similar (R)-tert-Butyl (2-oxooxetan-3-yl)carbamate126330-77-646 % similar Boc-L-alaninal79069-50-446 % similar