Hydroxyzine Standard

2-(2-(4-((4-Chlorophenyl)(phenyl)methyl)piperazin-1-yl)ethoxy)ethan-1-ol; Ethanol, 2-[2-[4-(p-chloro-α-phenylbenzyl)-1-piperazinyl]ethoxy]; Hydroxizine; Hydroxyzin; ranquizine; Hydroxyzine (USP);