Sitagliptin phosphate monohydrate intermediate
Boc-(R)-3-Amino-4-(2,4,5-trifluo-rophenyl)butanoic acid
C15H18F3NO4
Exact Mass: 333.12
Mol. Wt.: 333.3
m/e: 333.12 (100.0%), 334.12 (16.7%), 335.13 (1.3%)
C, 54.05; H, 5.44; F, 17.10; N, 4.20; O, 19.20
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