4-(2-Chloro-6-nitro-benzylidene-hydrazinocarbonyl)-N-[(2R,3S,4R,5R)-5-(2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-3,4-dihydroxy-tetrahydro-furan-2-ylmethyl]-benzenesulfonamide AIDS-164000 AIDS164000