3-[({3-[Cyclopropyl(4-hydroxy-2-oxo-5,6,7,8,9,10-hexahydro-2H-cycloocta[b]pyran-3-yl)methyl]phenyl}amino)sulfonyl]benzoic acid 4OH-cyclooctapyran-2-one, PhSO2NH deriv. AIDS-043254 AIDS043254