4-Cyano-N-[3-[1-(5,6,7,8,9,10-hexahydro-4-hydroxy-2-oxo-2H-cycloocta[b]pyran-3-yl)propyl]phenyl]benzenesulfonamide 4OH-cyclooctapyran-2-one, PhSO2NH deriv. AIDS-043297 AIDS043297