1-[3-(4-Nitroimidazol-1-yl)-2,3-dideoxy-.beta.-D-erythro-pentofuranosyl]-2,4-dioxo-1,2,3,4-tetrahydropyrimidine 132149-48-5 3'-(4-NO2imidazol-1-yl)-b-ddU AIDS-002267 AIDS002267 Uridine, 2',3'-dideoxy-3'-(4-nitro-1H-imidazol-1-yl)-