174483-83-1 3(Imid-SO2NHBz)-4OH-2Pyranone deriv. AIDS-001220 AIDS001220 N-(3-[Cyclopropyl[4-hydroxy-2-oxo-6-[1(R)-phenylmethyl)propyl]-2H-pyran-3-yl)methyl]phenyl)-1H-imidazole-2-sulfonamide