(4S)-4-(N-{(1S)-1-[N-((1S)-1-{N-[(1S)-1-(N-{(1S)-1-(2,2-Difluoroethyl)-2-oxo-2-[N-benzylcarbamoyl]ethyl}carbamoyl)-2-cyclohexylethyl]carbamoyl}-3-carboxypropyl)carbamoyl]-2,2-diphenylethyl}carbamoyl)-4-[(2S)-2-(acetylamino)-3-carboxypropanoylamino]butanoic acid AIDS-122676 AIDS122676