2-{[1-(2-{1,1-Difluoro-1-[6-(1-methoxycarbonyl-2-phosphono-ethylcarbamoyl)-1H-benzoimidazol-2-yl]-methyl}-3-methyl-3H-benzoimidazol-5-yl)-methanoyl]-amino}-3-phosphono-propionic acid methyl ester AIDS-162664 AIDS162664