英文名称
(R)-7-(But-2-yn-1-yl)-8-(3-((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)amino)piperidin-1-yl)-3-methyl-1-((4-methylquinazolin-2-yl)methyl)-3,7-dihydro-1H-purine-2,6-dione (Linagliptin impurity)
Smiles Code
CC#CCN1C2=C(N(C(N(C2=O)CC3=NC4=C(C=CC=C4)C(C)=N3)=O)C)N=C1N5C[C@@H](CCC5)NC6=NC(N(C(N(C7=O)CC8=NC9=C(C=CC=C9)C(C)=N8)=O)C)=C7N6CC#CC