DRF36H: Darifenacin Dimer-2 Impurity

Darifenacin Impurity D ;

(S)-2-[1-[2-(2,3-Dihydrobenzfuran-5-yl)ethyl]-3-pyrrolidinyl]-2,2-diphenyl-N-[2-(2,3-dihydrobenzfuran-5-yl)ethyl]acetamide HCl ;

C38H40N2O3 (base) ; MW: 572.74 ;

C38H41ClN2O3 (HCl salt) ; MW: 609.20 ;

Supplied as HCl salt ;