... : 654671-77-9 Molecular formula: C16H15F6N5O.H3PO4.H2O Use: Oral Type 2 Diabetes Sitagliptin phosphate monohydrate is a white to off-white, crystalline ... -77-9Chemical name: 7-[(3R)-3-Amino-1-oxo-4-(2,4,5-trifluorophenyl)butyl]-5,6,7,8-tetrahydro-3 ... -(trifluoromethyl)-1,2,4-triazolo[4,3-a]pyrazine phosphate monohydrateMolecular formula: C16H15F6N5O ...