alpha-Hydroxy Olopatadine Formate ;
(Z)-2-{11-[3-(Dimethylamino)propylidene]-6,11-dihydrodibenz[b,e]oxepin-2-yl}-2-hydroxyacetic acid formate salt ;
CAS # 1331822-32-2 (base) ;
C21H23NO4 (base) ; Mol. Wt.: 353.41 ;
C22H25NO6 (formate salt) ; Mol. Wt.: 399.44 ;