AHPBA deriv. AIDS-059661 AIDS059661 N-((1S,2S)-3-{(2S,4S)-2-[N-(tert-Butyl)carbamoyl]-4-chloropyrrolidinyl}-2-hydroxy-3-oxo-1-benzylpropyl)((2S,3R)-2-methoxy(3,6-dihydro-2H-pyran-3-yloxy))carboxamide [5(R)-[6(S)-Methoxy-5,6-dihydro-2H-pyranyl]oxy]carbonyl-(2S,3S)-AHPBA-4(S)-Cl-Pro-NH-t-Bu