7H-2,3,5,6-Tetraazabenz[cd]azulen-7-one, 2,3-dihydro-2-[5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-2-C-methyl-β-D-ribofuranosyl]-9-methoxy-

7H-2,3,5,6-Tetraazabenz[cd]azulen-7-one, 2,3-dihydro-2-[5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-2-C-methyl-β-D-ribofuranosyl]-9-methyl-

7H-2,3,5,6-Tetraazabenz[cd]azulen-7-one, 4-fluoro-2,3-dihydro-2-[5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-2-C-methyl-β-D-ribofuranosyl]-

7H-2,3,5,6-Tetraazabenz[cd]azulen-7-one, 2-[3-deoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-erythro-pentofuranosyl]-2,3-dihydro-

7H-2,3,5,6-Tetraazabenz[cd]azulen-7-one, 2,3,8,9-tetrahydro-2-[5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-2-C-methyl-β-D-ribofuranosyl]-

7H-2,3,5,6-Tetraazabenz[cd]azulen-7-one, 4-amino-2,3-dihydro-2-[5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-2-C-methyl-β-D-ribofuranosyl]-

7H-2,3,5,6-Tetraazabenz[cd]azulen-7-one, 2,3-dihydro-2-[5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-2-O-methyl-β-D-ribofuranosyl]-

2H-2,3,5,6-Tetraazabenz[cd]azulene, 3,7,8,9-tetrahydro-2-[5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-2-C-methyl-β-D-ribofuranosyl]-

7-Oxa-2,3,5,6-tetraazabenz[cd]azulene, 2,3,8,9-tetrahydro-2-[5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-2-C-methyl-β-D-ribofuranosyl]-

2,6-Dihydro-2-[5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-2-C-methyl-β-D-ribofuranosyl]-7H-1,2,3,5,6-pentaazabenz[cd]azulen-7-one

7H-2,3,5,6-Tetraazabenz[cd]azulen-7-one, 2,3-dihydro-2-[5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-2-C-methyl-β-D-ribofuranosyl]-

2H-2,3,5,6-Tetraazabenz[cd]azulene, 3,7,8,9-tetrahydro-9-methoxy-2-(2-C-methyl-β-D-ribofuranosyl)-

2H-2,3,5,6-Tetraazabenz[cd]azulene, 2-[3,5-bis-O-[(2,4-dichlorophenyl)methyl]-2-C-methyl-β-D-ribofuranosyl]-3,7-dihydro-

7H-2,3,5,6-Tetraazabenz[cd]azulene-7-thione, 2,3-dihydro-2-(2-C-methyl-β-D-ribofuranosyl)-

7H-2,3,5,6-Tetraazabenz[cd]azulene-7-thione, 2,3-dihydro-2-(2,3,5-tri-O-acetyl-2-C-methyl-β-D-ribofuranosyl)-

7H-2,3,5,6-Tetraazabenz[cd]azulen-7-one, 2,3-dihydro-4-methoxy-2-(2-C-methyl-β-D-ribofuranosyl)-

7H-2,3,5,6-Tetraazabenz[cd]azulen-7-one, 2,3-dihydro-4-(methylamino)-2-(2-C-methyl-β-D-ribofuranosyl)-

7H-2,3,5,6-Tetraazabenz[cd]azulen-7-one, 4-chloro-2-[5-O-[(1,1-dimethylethyl)dimethylsilyl]-2-C-methyl-β-D-ribofuranosyl]-2,3-dihydro-

7H-2,3,5,6-Tetraazabenz[cd]azulen-7-one, 4-chloro-2,3,8,9-tetrahydro-9-(methylthio)-2-(2-C-methyl-β-D-ribofuranosyl)-

7H-2,3,5,6-Tetraazabenz[cd]azulen-7-one, 2,3-dihydro-2-(2-C-methyl-β-D-ribofuranosyl)-4-(methylthio)-