Chemical Name: 2-[4-[4-(4-Hydroxydiphenylmethyl-1-piperidinyl)- butanoyl]phenyl]-2-methylpropanoic Acid hydrochloride
Synonym: Fexofenadine EP Impurity A (Hydrochloride)
Smile: CC(C)(C1=CC=C(C(CCCN2CCC(C(C3=CC=CC=C3)(O)C4=CC=CC=C4)CC2)=O)C=C1)C(O)=O.Cl