(2-(4-bis(p-fluorophenyl)methyl)-1-piperazinyl)ethoxy)acetic acid, dihydrochloride 225367-66-8 Acetic acid, (2-(4-(bis(4-fluorophenyl)methyl)-1-piperazinyl)ethoxy)-, dihydrochloride Efletirizine dihydrochloride Efletirizine dihydrochloride [USAN] Ucb 28754