EPT0080000
Terfenadine impurity A - 1-[4-(1,1-dimethylethyl)phenyl]-4-[4-(hydroxydiphenylmethyl)piperidin-1-yl] butan-1-one (ketone)
Terfenadine impurity A - 1-[4-(1,1-dimethylethyl)phenyl]-4-[4-(hydroxydiphenylmethyl)piperidin-1-yl] butan-1-one (ketone)