4-Hydroxy-5,6-dihydropyranone deriv. 5-Cyano-N-[3-(1-[6,6-bis-(2-cyclopropyl-ethyl)-5,6-dihydro-4-hydroxy-2-oxo-2H-pyran-3-yl)-2,2-dimethylpropyl]-phenyl]-2-pyridinesulfonamide AIDS-058449 AIDS058449