2514724-20-8

(R)-8-(3-Aminopiperidin-1-yl)-7-(but-2-yn-1-yl)-3-methyl-6-((4-methylquinazolin-2-yl)methoxy)-3,7-dihydro-2H-purin-2-one is the impurity of the drug Linagliptin (L465900). Linagliptin is a novel potent and selective dipeptidyl peptidase-4 (DPP-4) inhibitor with potential use in the treatment of type 2 diabetes.