Fesoterodine Diol Fumarate Ester (HCl Salt) ;

(R,E)-4-((3-(3-(Diisopropylamino)-1-phenylpropyl)-4-hydroxybenzyl)oxy)-4-oxobut-2-enoic acid HCl ;

CAS # 1428856-47-6 (base) ;

C26H34ClNO5 ;

MW: 476.00 ;