3(Imid-SO2NHBz)-4OH-2Pyranone deriv. AIDS-033632 AIDS033632 N-[3-[[S or R[Cyclopropyl[6-[2-cyclopropyl-1-(cyclopropylmethyl)ethyl]-4-hydroxy-2-oxo-2H-pyran-3-yl)methyl]phenyl]-1-methyl-1H-imidazole-4-sulfonamide