英文别名methyl (Z)-2-(11-(3-(dimethylamino)propylidene)-6,11-dihydrodibenzo[b,e]oxepin-2-yl)acetate; Dibenz[b,e]oxepin-2-acetic acid, 11-[3-(dimethylamino)propylidene]-6,11-dihydro-, methyl ester, (11Z)-; Olopatadine Impurity 40; Olopatadine Impurity 51; Olopatadine Impurity 24 HCl 
