(4S)-4-[N-((1S)-1-{N-[(1S)-1-(N-{(1S)-1-[N-(1-Ethyl-2-oxoethyl)carbamoyl]-3-methylbutyl}carbamoyl)-2,2-dimethylpropyl]carbamoyl}-2-(2-methylphenyl)ethyl)carbamoyl]-4-[(2S)-3-carboxy-2-(3-carboxypropanoylamino)propanoylamino]butanoic acid AIDS-162006 AIDS162006