Fexofenadine Related Compound-A

2-[4-[4-(4-Hydroxydiphenylmethyl-1-piperidinyl)- butanoyl]phenyl]-2-methylpropanoic Acid; Fexofenadinone; Ketofexofenadine; Fexofenadine Hydrochloride Impurity A (IP); Oxo analogue of Fexofenadine; 4-[1-Oxo-4-[4-(hydroxydiphenylmethyl)-1-piperidinyl]butyl]-α,α-dimethylbenzeneacetic Acid; Benzene acetic acid,-4-[1-oxy-4(4-(hydroxydiphenyl-methyl)-1-piperidinyl)butyl]-a,a-dimethyl (As Per IP); 2-[4-[4-[4-(Hydroxydiphenylmethyl)-1-piperidinyl]-1-oxobutyl]phenyl]-2,2-dimethylacetic Acid