DRF51H: Darifenacin Carboxylic Acid Impurity (HBr)

(S)-2-(1-(2-(2,3-Dihydrobenzofuran-5-yl)ethyl)pyrrolidin-3-yl)-2,2-diphenylacetic acid hydrobromide ;

CAS # 1048979-16-3 (Base) ; 

C28H30BrNO3 ;

MW: 508.45 ;