5-Amino-3-[5-O-(aminosulfonyl)-β-D-ribofuranosyl]imidazo[4,5-d][1,3]oxazin-7(3H)-one

5-Amino-3-[5-O-(aminosulfonyl)-2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]imidazo[4,5-d][1,3]oxazin-7(3H)-one

5-Amino-3-[(2R,5S)-tetrahydro-5-(hydroxymethyl)-2-furanyl]imidazo[4,5-d][1,3]oxazin-7(3H)-one

Imidazo[4,5-d][1,3]oxazin-7(3H)-one, 5-amino-3-[2,3-O-carbonothioyl-5-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-ribofuranosyl]-

5-Amino-3-[5-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-ribofuranosyl]imidazo[4,5-d][1,3]oxazin-7(3H)-one

D-arabino-D-xylo-7-Undeculose-1,4-furanuronic acid, 6,10-anhydro-1-[6-(benzoylamino)-9H-purin-9-yl]-1-deoxy-3,8-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-9-O-[(1,1-dimethylethyl)diphenylsilyl]-2-O-methyl-, methyl ester, (5ξ,6ξ)-

Adenosine, 2′,3′-dideoxy-3′-(2-methoxy-2-oxoethyl)-N-(triphenylmethyl)-5′-O-(triphenylmethyl)-

Uridine, 3′-(cyanomethyl)-2′,3′-dideoxy-5′-O-(triphenylmethyl)-

Uridine, 2′,3′-dideoxy-3′-[(diphenoxyphosphinyl)methyl]-5′-O-(triphenylmethyl)-

Uridine, 2′,3′-dideoxy-3′-(2-methoxy-2-oxoethyl)-5′-O-(triphenylmethyl)-

Cytidine 5′-(trihydrogen diphosphate), P′-[(2R,3S)-2,3,4-trihydroxybutyl] ester

1H-Pyrido[1,2-c]pyrimidine-5,6-dicarboxylic acid, 2,8-dihydro-1,8-dioxo-7-phenyl-2-(2,3,5-tri-O-benzoyl-β-D-ribofuranosyl)-, dimethyl ester

5H-Thiazolo[3,2-c]pyrimidinium, 3-hydroxy-5-oxo-2-phenyl-6-(2,3,5-tri-O-benzoyl-β-D-ribofuranosyl)-, inner salt