8-Oxa-1,2,4a,5-tetraazacyclopenta[def]fluorene, 1,3a,4,7,7a,8a,8b,8c-octahydro-1-methyl-, (3aR,7aR,8aR,8bS,8cR)-rel-

Guanosine, 5′-[hydrogen P-[2-(2-aminoethoxy)-2-oxoethyl]phosphonate]

Benzamide, N-[9-(3,5-di-O-acetyl-2,6-dideoxy-2,6-epithio-α-D-altrofuranosyl)-9H-purin-6-yl]-

2,4(1H,3H)-Pyrimidinedione, 1-(3,6-dideoxy-3,6-epithio-β-D-glucofuranosyl)-

Benzamide, N-[9-(2,5-di-O-acetyl-3,6-dideoxy-3,6-epithio-β-D-glucofuranosyl)-9H-purin-6-yl]-

9H-Purin-6-amine, 9-(2,6-dideoxy-2,6-epithio-α-D-altrofuranosyl)-

9H-Purin-6-amine, 9-(3,6-dideoxy-3,6-epithio-β-D-glucofuranosyl)-

Uridine, 2′-deoxy-5-iodo-, 5′-[6-[[(1,1-dimethylethoxy)carbonyl]amino]hexanoate] 3′-(4-oxopentanoate)

Uridine, 2′-deoxy-5-iodo-, 5′-(3-aminopropanoate) 3′-(4-oxopentanoate)

Uridine, 2′-deoxy-5-iodo-, 5′-[3-[[(1,1-dimethylethoxy)carbonyl]amino]propanoate] 3′-(4-oxopentanoate)

Uridine, 2′-deoxy-5-iodo-5′-O-(triphenylmethyl)-, 3′-(4-oxopentanoate)

Uridine, 2′-deoxy-5-iodo-, 5′-[6-[[(1,1-dimethylethoxy)carbonyl]amino]hexanoate]

Uridine, 5′-O-[6,8-bis(1,1-dimethylethyl)-5-fluoro-2-oxido-4H-1,3,2-benzodioxaphosphorin-2-yl]-2′-deoxy-5-(trimethylstannyl)-, 3′-[6-[[bis[[(1,1-dimethylethoxy)carbonyl]amino]methylene]amino]hexanoate]

Uridine, 5′-O-[6,8-bis(1,1-dimethylethyl)-5-fluoro-2-oxido-4H-1,3,2-benzodioxaphosphorin-2-yl]-2′-deoxy-5-iodo-, 3′-[6-[[bis[[(1,1-dimethylethoxy)carbonyl]amino]methylene]amino]hexanoate]

Uridine, 2′-deoxy-5-(trimethylstannyl)-, 5′-[4-[[[bis[[(1,1-dimethylethoxy)carbonyl]amino]methylene]amino]methyl]benzoate]

Uridine, 2′-deoxy-5-iodo-, 5′-[4-[[[bis[[(1,1-dimethylethoxy)carbonyl]amino]methylene]amino]methyl]benzoate]

Uridine, 2′-deoxy-5-(trimethylstannyl)-, 5′-[6-[[bis[[(1,1-dimethylethoxy)carbonyl]amino]methylene]amino]hexanoate]

Uridine, 2′-deoxy-5-(trimethylstannyl)-, 5′-[3-[[bis[[(1,1-dimethylethoxy)carbonyl]amino]methylene]amino]propanoate]

Uridine, 2′-deoxy-5-iodo-, 5′-[6-[[bis[[(1,1-dimethylethoxy)carbonyl]amino]methylene]amino]hexanoate]

Uridine, 2′-deoxy-5-iodo-, 5′-[3-[[bis[[(1,1-dimethylethoxy)carbonyl]amino]methylene]amino]propanoate]