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(S)-2,4,5-trifluoro-b-homophenylalanine HCl 2,4,5-Trifluoro-L-β-homophenylalanine hydrochloride (S)-2,4,5-trifluoro-b-homophenylalanine hydrochloride (S)-3-Amino-4-(2,4,5-trifluorophenyl)butanoic Acid HCl (S)-3-AMINO-4-(2,4,5-TRIFLUORO-PHENYL)-BUTYRIC ACID-HCL (βS)- β-amino-2,4,5-trifluorobenzenebutanoic acid hydrochloride (3S)-3-amino-4-(2,4,5-trifluorophenyl)butanoic acid hydrochloride (S)-3-Amino-4-(2,4,5-trifluorophenyl)butyric acid·HCl≥ 98% (HPLC) Benzenebutanoic acid, β-amino-2,4,5-trifluoro-, hydrochloride (1:1), (βS)- Benzenebutanoic acid, β-amino-2,4,5-trifluoro-, hydrochloride (1:1), (βS)- (S)-3-amino-4-(2,4,5-trifluorophenyl)butanoic acid hydrochloride? (Sitagliptin Impurity）