PRE-CADASTRO N-Butanoyl Sitagliptin (25 mg) ((R)-3-Amino-N-((R)-4-oxo-4-{3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl}-1-(2,4,5-trifluorophenyl)butan-2-yl)-4-(2,4,5-trifluorophenyl)butanamide)