11-((Z)-3-(Dimethylamino)propylidene)-6,11-dihydrodibenz(b,e)oxepin-2-acetic acid hydrochloride 113806-05-6 140462-76-6 ALO4943A Dibenz(b,e)oxepin-2-acetic acid, 11-(3-dimethylamino)propylidene)-6,11-dihydro-, hydrochloride, (Z)- KW 4679 OLOPATADINE HYDROCHLORIDE Patanol