英文别名Olopatadine Impurity 1; α-Hydroxy Olopatadine; a-Hydroxy Olopatadine Hydrochloride; 2-[(11Z)-11-[3-(dimethylamino)propylidene]-6H-benzo[c][1]benzoxepin-2-yl]-2-hydroxyacetic acid,hydrochloride; Olopatadine USP RC A; Olopatadine Impurity 35; Olopatadine Impurity A HCl 
