AIDS-165649 AIDS165649 L-Alaninamide, N-acetyl-L-.alpha.-aspartyl-L-.alpha.-glutamyl-.beta.-phenyl-L-phenylalanyl-L-.alpha.-glutamyl-3-cyclohexyl-N1-[(1S)-3,3-difluoro-1-[[(phenylmethoxy)amino]carbonyl]propyl]-