Synonyms: 4-(Diphenylmethyl)-1-piperazineethanol Hydrochloride (1:2), 1-Piperazineethanol, 4-diphenylmethyl-, dihydrochloride (6CI), 4-Benzhydryl-1-piperazineethanol Dihydrochloride, 2-(4-(Diphenylmethyl)piperazin-1-yl)ethanol Dihydrochloride, Deschlorodesacetic Cetirizine