(4R)-4-(N-{(1S)-1-[N-((1S)-1-{N-[(1S)-2-Cyclohexyl-1-(N-{[N-(phenylsulfonyl)carbamoyl]cyclopropyl}carbamoyl)ethyl]carbamoyl}-2-methylbutyl)carbamoyl]-3-methylbutyl}carbamoyl)-4-(3-carboxypropanoylamino)butanoic acid AIDS-170458 AIDS170458