Synonyms: 2,4(1H,3H)-Pyrimidinedione, 1-(2,3-dideoxy-3-(2-methyl-4-nitro-1H-imidazol-1-yl)-alpha-D-erythro-pentofuranosyl)-5-methyl-;2,4(1H,3H)-Pyrimidinedione, 1-[2,3-dideoxy-3-(2-methyl-4-nitro-1H-imidazol-1-yl)-.alpha.-D-erythro-pentofuranosyl]-5-methyl-