英文名称
(R)-1-(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)guanidine (Linagliptin impurity 67)
Smiles Code
O=C1C2=C(N=C(N3C[C@H](NC(N)=N)CCC3)N2CC#CC)N(C)C(N1CC4=NC5=CC=CC=C5C(C)=N4)=O