Linagliptin Impurity 36

Chemical Name: N,N’-bis((R)-1-(7-(but-2-yn-1-yl)-3-methyl-1-((4-methylquinazolin-2-yl)methyl)-2,6-dioxo-2,3,6,7-tetrahydro-1Hpurin-8-yl)piperidin-3-yl)phthalamide

Synonym: N1,N2-bis[(3R)-1-[7-(but-2-yn-1-yl)-3-methyl-1-[(4-methylquinazolin-2-yl)methyl]-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-8-yl]piperidin-3-yl]benzene-1,2-dicarboxamide