Linagliptin Impurity-VII

Chemical Name: 7-(but-2-yn-1-yl)-3-methyl-1-((4-methylquinazolin-2-yl)methyl)-8-((3R)-3-((3,4,5,6-tetrahydroxy-2-oxohexyl)amino)piperidin-1-yl)-3,7-dihydro-1H-purine-2,6-dione

Smile: O=C(N(C1=C(C2=O)N(C(N3C[C@@H](CCC3)NCC(C(C(C(CO)O)O)O)=O)=N1)CC#CC)C)N2CC4=NC(C)=C5C=CC=CC5=N4