Cetirizine Propanediol Ester Impurity

Chemical Name: 1-Hydroxypropyl 2-(2-(4-((4-chlorophenyl)(phenyl)methyl)piperazin-1-yl)ethoxy)acetate

Synonym: Desonide unknown Impurity (RRT 0.68); (2R)-2-hydroxy-2-((6aR,7S,8aS,8bR,11aR)-7-hydroxy-6a,8a,10,10-tetramethyl-4-oxo-1,2,4,6a,6b,7,8,8a,11a,12,12a,12b-dodecahydro-8bHnaphtho[2',1':4,5]indeno[1,2-d][1,3]dioxol-8b-yl)acetic acid;