2-[2-[2-[4-[(4-Chlorophenyl)phenylMethyl]-1-piperazinyl]ethoxy]ethoxy]acetic Acid Hydrochloride;Cetirizine IMp. E (EP);Cetirizine IMpurity-E(EP/BP);Levocetirizine EP IMpurity E;[2-[2-[4-[(4-Chlorophenyl)phenylmethyl]-1-piperazinyl]ethoxy]ethoxy]acetic acid dihydrochloride;Cetirizine EP Impurity B(Dihydrochloride);Cetirizine EP Impurity E (HCl);Hydroxyzine Acetic Acid Dihydrochloride