Linagliptin Impurity 30

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

Smile: CC#CCN1C(C(N(CC2=NC(C=CC=C3)=C3C(C)=N2)C4=O)=O)=C(N4C)N=C1N5C[C@H](N(C6=O)C(C7=CC=C(C)C=C67)=O)CCC5