1917324-13-0

(R)-2-((6-(3-((3-(2-Cyano-5-fluorobenzyl)-1-methyl-2,6-dioxo-1,2,3,6-tetrahydropyrimidin-4-yl)amino)piperidin-1-yl)-3-methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)methyl)-4-fluorobenzonitrile is an impurity of Trelagliptin. Trelagliptin (Zafatek) is a pharmaceutical drug used for the treatment of type 2 diabetes.