4-Hydroxy-5,6-dihydropyranone deriv. AIDS-058459 AIDS058459 N-[3-(1-[6,6-Bis-(2-cyclopropyl-ethyl)-5,6-dihydro-4-hydroxy-2-oxo-2H-pyran-3-yl)-propyl]-phenyl]-1H-imidazole-1-methyl-4-sulfonamide