Image 1 of 1 Terfenadine alcohol metabolite; 1-(4-(1-hydroxy-2-methylpropan -2-yl)phenyl)-4-(4-(hydroxydi phenylmethyl)piperidin-1-yl) butan-1-ol $550.00 Registry Number (none)O-46605 mg/$550 Add To Cart Added! Registry Number (none)O-46605 mg/$550