TMT-197036
                        
                        
                            
                            Tolterodine Lactone Impurity
                        
                        
                            
                                
                                6-Methyl-4-phenylchroman-2-one;3,4-Dihydro-6-methyl-4-phenyl-2H-1-benzopyran-2-one;rac-6-Methyl-4-phenylchroman-2-one;6-Methyl-4-phenyl-2-chromanone;rac-6-Methyl-4-pheny;3,4-dihydro-6-methyl-4-phenyl-2H-benzopyran-2-one;3,4-dihydro-6-methyl-4-phenylcoumar
                                Open
                             
                        
                            
                                
                                40546-94-9
                            
                        
                            
                                
                                C16H14O2
                            
                        
                            
                                
                                238.29