4-Chloro-N-{3-[1-(4-hydroxy-2-oxo-5,6,7,8,9,10-hexahydro-2H-cycloocta[b]pyran-3-yl)butyl]phenyl}benzenesulfonamide 4OH-cyclooctapyran-2-one, PhSO2NH deriv. AIDS-043295 AIDS043295