英文名称
                                        
                                            
2-((R)-3-Aminopiperidine-1-carbonyl)-N-((R)-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)benzamide (Linagliptin Impurity 33)
                                            
                                        
                                        
                                        
                                     
                                    
                                    
                                        Smiles Code
                                        O=C1C2=C(N=C(N3C[C@H](NC(C4=C(C(N5C[C@H](N)CCC5)=O)C=CC=C4)=O)CCC3)N2CC#CC)N(C)C(N1CC6=NC7=CC=CC=C7C(C)=N6)=O