N,N-Dimethyl-9-[2-O-[[(phenylmethyl)amino]carbonyl]-3,5-O-sulfinyl-β-D-xylofuranosyl]-9H-purin-6-amine

5′-O-(Phosphonomethyl)uridine 4-oxime

Uridine, 4-oxime, 5′-(hydrogen phosphonate)

Uridine, 4-oxime, 5′-[hydrogen P-(ethoxycarbonyl)phosphonate]

Uridine, 4-[O-(2,2,2-triphenylacetyl)oxime]

N-[(Tricyclo[3.3.1.13,7]dec-1-ylcarbonyl)oxy]cytidine

N-(2,2-Dimethyl-1-oxopropoxy)cytidine

Uridine, 4-(O-benzoyloxime)

4-Amino-1-[4-C-(hydroxymethyl)-5-O-phosphono-α-D-arabinofuranosyl]-2(1H)-pyrimidinone

4-Amino-1-[5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-4-C-(hydroxymethyl)-β-D-arabinofuranosyl]-2(1H)-pyrimidinone

9-[4-C-(Hydroxymethyl)-α-D-threo-pentofuranosyl]-9H-purin-6-amine

9-[4-C-(Hydroxymethyl)-β-D-threo-pentofuranosyl]-9H-purin-6-amine

9-[4-C-[(Phenylmethoxy)methyl]-2,3,5-tris-O-(phenylmethyl)-α-D-threo-pentofuranosyl]-9H-purin-6-amine

9-[4-C-[(Phenylmethoxy)methyl]-2,3,5-tris-O-(phenylmethyl)-β-D-threo-pentofuranosyl]-9H-purin-6-amine

6-Chloro-9-[4-C-[(phenylmethoxy)methyl]-2,3,5-tris-O-(phenylmethyl)-α-D-threo-pentofuranosyl]-9H-purine

6-Chloro-9-[4-C-[(phenylmethoxy)methyl]-2,3,5-tris-O-(phenylmethyl)-β-D-threo-pentofuranosyl]-9H-purine

6-Chloro-7-[4-C-[(phenylmethoxy)methyl]-2,3,5-tris-O-(phenylmethyl)-D-threo-pentofuranosyl]-7H-purine

4-Amino-5-fluoro-1-[4-C-[(phenylmethoxy)methyl]-2,3,5-tris-O-(phenylmethyl)-α-D-threo-pentofuranosyl]-2(1H)-pyrimidinone

4-Amino-1-[4-C-[(phenylmethoxy)methyl]-2,3,5-tris-O-(phenylmethyl)-α-D-threo-pentofuranosyl]-2(1H)-pyrimidinone

4-Amino-5-fluoro-1-[4-C-[(phenylmethoxy)methyl]-2,3,5-tris-O-(phenylmethyl)-β-D-threo-pentofuranosyl]-2(1H)-pyrimidinone