(2S)-N-((1S,2R)-3-{2-[N-(tert-Butyl)carbamoyl]phenoxy}-2-hydroxy-1-benzylpropyl)-3-carbamoyl-2-[(2-naphthylsulfonyl)amino]propanamide AIDS-059695 AIDS059695 Asn-Phe Naphthyl deriv.