AIDS-165650 AIDS165650 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-[[(2-phenylethoxy)amino]carbonyl]propyl]-