4-Hydroxy-2-pyranone, imidazolylsulfonamide deriv. AIDS-033203 AIDS033203 N-[3-[Cyclopropyl[6-[3-(2-methoxyethoxy)propyl]-4-hydroxy-2-oxo-2H-pyran-3-yl)methyl]phenyl]-1-methyl-1H-imidazole-4-sulfonamide