Bis[(1S)-3,4-dihydro-1-phenyl-2(1H)-isoquinolinyl]-methanone is a possible impurity of solifenacin (S676700) which is a muscarinic M3 receptor antagoinst. Solifenacin is used in treatment of urinary incontinence.
Solifenacin EP Impurity B Preparation Products And Raw materials