4-Hydroxy-5,6-dihydropyranone deriv. AIDS-059113 AIDS059113 N-[3-(R or S)-[1-[5,6-dihydro-4-hydroxy-2-oxo-6-(2-phenethyl)-[6-(R or S)-propyl]-2H-pyran-3-yl]-2,2-dimethylpropyl]-phenyl]-2-pyridinesulfonamide