英文名称
tert-Butyl (R)-(1-(1-(but-2-yn-1-yl)-3-methyl-7-((4-methylquinazolin-2-yl)methyl)-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-8-yl)piperidin-3-yl)carbamate (Linagliptin Impurity)
叔丁基 (R)-(1-(1-(丁-2-炔-1-基)-3-甲基-7-((4-甲基喹唑啉-2-基)甲基)-2,6-二氧代-2,3,6,7-四氢-1H-嘌呤-8-基)哌啶-3-基)氨基甲酸酯 (利格列汀杂质)
Smiles Code
O=C1C2=C(N=C(N3C[C@H](NC(OC(C)(C)C)=O)CCC3)N2CC4=NC(C=CC=C5)=C5C(C)=N4)N(C)C(N1CC#CC)=O