Synonyms: 2-Naphthoic acid, 4,4′-methylenebis[3-hydroxy-, hydroxyzine salt (6CI), Ethanol, 2-[2-[4-[(4-chlorophenyl)phenylmethyl]-1-piperazinyl]ethoxy]-, 4,4′-methylenebis[3-hydroxy-2-naphthalenecarboxylate] (1:1) (9CI), Atarax P, Equipose, Hydroxyzine pamoate, Hydroxyzyne pamoate, Masmoran, Paxisitil, Paxistil, Vistaril, Vistaril pamoate,2-Naphthalenecarboxylic acid, 4,4′-methylenebis[3-hydroxy-, compd. with 2-[2-[4-[(4-chlorophenyl)phenylmethyl]-1-piperazinyl]ethoxy]ethanol (1:1) (9CI, ACI), 2-Naphthoic acid, 4,4′-methylenebis[3-hydroxy-, compd. with 2-[2-[4-(p-chloro-α-phenylbenzyl)-1-piperazinyl]ethoxy]ethanol (1:1) (8CI), Ethanol, 2-[2-[4-(p-chloro-α-phenylbenzyl)-1-piperazinyl]ethoxy]-, 4,4′-methylenebis[3-hydroxy-2-naphthoate] (1:1) (salt) (8CI), 1-(p-Chloro-α-phenylbenzyl)-4-(2-hydroxyethoxyethyl)piperazine, pamoate, 2-(2-(4-((4-chlorophenyl)(phenyl)methyl)piperazin-1-yl)ethoxy)ethanol 4,4′-methylenebis(3-hydroxy-2-naphthoate)