(4R)-4-[N-((1S)-1-{N-[(1S)-2-((2S,4R)-4-(Phenylmethoxy)-2-{N-[N-propyl-3-(3-(2-pyridyl)(1,2,4-oxadiazol-5-yl))propanoylamino]carbamoyl}pyrrolidinyl)-1-(methylethyl)-2-oxoethyl]carbamoyl}-2-methylbutyl)-N-hydroxycarbamoyl]-4-[(2S)-2-(acetylamino)-3-carboxypropanoylamino]butanoic acid AIDS-162063 AIDS162063