英文别名1,4-Bis[(4-chlorophenyl)phenylmethyl]piperazine Dihydrochloride; Piperazine, 1,4-bis[(4-chlorophenyl)phenylmethyl]-, dihydrochloride; CETIRIZINE IMPURITY D DIHCL; Piperazine, 1,4-bis(p-chloro-α-phenylbenzyl)-, dihydrochloride; Cetirizine EP Impurity D DiHCl; Meclizine EP Impurity F; Cetirizine Impurity-D ,cetirizine dimer; Cetirizine EP Impurity D（HCl） 
