英文别名2-[2-[4-[(R)-(4-Chlorophenyl)phenylmethyl]-1-piperazinyl]ethoxy]-acetamide; Levocetirizine Amide impurity; Levocetirizine Amide (USP); Acetamide, 2-[2-[4-[(R)-(4-chlorophenyl)phenylmethyl]-1-piperazinyl]ethoxy]-; Cetirizine Impurity 47; (R)-2-(2-{4-[(4-chlorophenyl)phenylmethyl]piperazin-1-yl}ethoxy)acetamide; (R)-2-[4-(4-chlorobenzhydryl)piperazin-1-yl]-ethoxyacetamide; (-)-2-[4-[(4-CHLOROPHENYL)PHENYLMETHYL]-1-PIPERAZINYL]ETHOXY]ACETAMIDE 
