2-(2-{[1-(2-{1-[6-(1-Carboxy-2-phosphono-ethylcarbamoyl)-1H-benzoimidazol-2-yl]-1,1-difluoro-methyl}-3-methyl-3H-benzoimidazol-5-yl)-methanoyl]-amino}-3-phosphono-propanoylamino)-3-phosphono-propionic acid AIDS-162667 AIDS162667