(2S)-N-((1S,2R)-3-{2-[N-(tert-Butyl)carbamoyl]phenoxy}-2-hydroxy-1-benzylpropyl)-3-carbamoyl-2-(cinnolin-4-ylcarbonylamino)propanamide AIDS-059699 AIDS059699 Asn-Phe Cinnolinyl deriv.