4'-tert-butyl-4-[4-(hydroxybenzhydryl)piperidino]butyrophenone ;1-(4-TERT-BUTYLPHENYL)-4-[4-(ALPHA-HYDROXYBENZHYDRYL)PIPERIDINO]BUTAN-1-ONE;1-[4-(1,1-Dimethylethyl)phenyl]-4-[4-(hydroxydiphenylmethyl)piperidin-1-yl]butan-1-one;1-(4-tert-butylphenyl)-4-[4-[hydroxy(diphenyl)methyl]piperidin-1-yl]butan-1-one;Terfenadine impurity A CRS;1-Butanone, 1-[4-(1,1-dimethylethyl)phenyl]-4-[4-(hydroxydiphenylmethyl)-1-piperidinyl]-;Terfenadine USP Related Compound A;Terfenadine EP Impurity A
Terfenadone, is the first nonsedating antihistamine for the treatment of allergic rhinitis. It is also the derivative of Terfenadine (T114500). Terfenadine, has been also identified to be an inhibitor of human CD81-receptor HCV-E2 interaction.