((3S,2R)-2-Methoxyperhydro-2H-pyran-3-yloxy)-N-((1S,2S)-3-{(2S,4S)-2-[N-(tert-butyl)carbamoyl]-4-chloropyrrolidinyl}-2-hydroxy-3-oxo-1-benzylpropyl)carboxamide AIDS-059666 AIDS059666 [3-(S)-[2(R)-Methoxy-tetrahydropyranyl)oxy]carbonyl-(2S,3S)-AHPBA-4(S)-Cl-Pro-NH-t-BuAHPBA deriv.