4-Cyano-N-[3-[1-(4a,5,6,7,8,9,10,10a-octahydro-4-hydroxy-2-oxo-4aH-cycloocta[b]pyran-3-yl)propyl]phenyl]-2-pyridinesulfonamide AIDS-033330 AIDS033330 Benzylcyclooctapyran-2-one deriv.