4-{N-[(1R)-1-(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)-3-carboxypropyl]carbamoyl}(4S)-4-(3-carboxypropanoylamino)butanoic acid AIDS-170473 AIDS170473