Fesoterodine Diol Dimer (Fumarate Salt) ;
4,4'-[Oxybis(methylene)]bis[2-[(1R)-3-[bis(1-methylethyl)amino]-1-phenyl propyl]-phenol fumarate ;
CAS # 1428856-45-4 (base) ;
C44H60N2O3 (base) ; MW: 664.96 ;
C48H64N2O7 (fumarate salt) ; MW: 781.03 ;
Supplied as fumarate salt ;