(R/S)-N-[3-1-(5,6,7,8,9,10-Hexahydro-4-hydroxy-2-oxo-2H-cycloocta[b]pyran-3-yl)-3-methylbutyl]-phenyl]-1-methyl-1H-imidazole-4-sulfonamide AIDS-059099 AIDS059099 Cyclooctapyran-2-one deriv.