(4S)-4-[N-((1S)-1-{N-[(1S)-1-(2,2-Difluoroethyl)-2-oxoethyl]carbamoyl}-2-cyclohexylethyl)carbamoyl]-4-((2S)-2-{(2S)-2-[(2S)-2-(acetylamino)butanoylamino]-4-carboxybutanoylamino}-3,3-diphenylpropanoylamino)butanoic acid AIDS-163360 AIDS163360