Uridine, 5′-O-[(4-methoxyphenyl)diphenylmethyl]-4-O-[2-(4-nitrophenyl)ethyl]-, 2′,3′-diacetate

Uridine, 5′-O-[(4-methoxyphenyl)diphenylmethyl]-4-O-[2-(4-nitrophenyl)ethyl]-, 2′,3′-dibenzoate

Thymidine, 5′-O-[(4-methoxyphenyl)diphenylmethyl]-4-O-[2-(4-nitrophenyl)ethyl]-

Thymidine, 5′-O-[(4-methoxyphenyl)diphenylmethyl]-4-O-[2-(4-nitrophenyl)ethyl]-, 3′-benzoate

Thymidine, 4-O-[2-(4-nitrophenyl)ethyl]-, 3′,5′-diacetate

Uridine, 5′-O-[(4-methoxyphenyl)diphenylmethyl]-, 2′,3′-diacetate

Uridine, 5′-O-[(4-methoxyphenyl)diphenylmethyl]-, 2′,3′-dibenzoate

2-(Acetylamino)-7-[5-O-acetyl-2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-4,7-dihydro-3-(methoxymethyl)-4-oxo-3H-pyrrolo[2,3-d]pyrimidine-5-carboxylic acid

2-(Acetylamino)-7-[5-O-acetyl-2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-6-bromo-4,7-dihydro-3-(methoxymethyl)-4-oxo-3H-pyrrolo[2,3-d]pyrimidine-5-carboxylic acid

N-Acetyl-N-[7-[5-O-acetyl-2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-6-bromo-5-formyl-4,7-dihydro-3-(methoxymethyl)-4-oxo-3H-pyrrolo[2,3-d]pyrimidin-2-yl]acetamide

N-Acetyl-N-[7-[5-O-acetyl-2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-6-bromo-4,7-dihydro-5-(hydroxymethyl)-3-(methoxymethyl)-4-oxo-3H-pyrrolo[2,3-d]pyrimidin-2-yl]acetamide

Adenosine, N-benzoyl-2′-O-(tetrahydro-2-furanyl)-, 5′-[2-chlorophenyl (4-methoxyphenyl)phosphoramidate]

Cytidine, N-benzoyl-P-(2-chlorophenyl)-5′-O-[(4-methoxyphenyl)diphenylmethyl]-2′-O-(tetrahydro-2-furanyl)cytidylyl-(3′→5′)-P-(2-chlorophenyl)-2′-O-(tetrahydro-2-furanyl)uridylyl-(3′→5′)-N-benzoyl-2′-O-(tetrahydro-2-furanyl)-

Adenosine, N-benzoyl-2′-O-(tetrahydro-2-furanyl)-, (S)-

5′-Cytidylic acid, 2′-deoxy-2′,2′-difluoro-, (7R)-7-(hexyloxy)-1-[(6R)-6-(hexyloxy)-3-methoxy-3-oxido-2,4,8-trioxa-3-phosphatetradec-1-yl]-4-methoxy-4-oxido-3,5,9-trioxa-4-phosphapentadec-1-yl methyl ester

5′-Cytidylic acid, 2′-deoxy-N-[(1,1-dimethylethoxy)carbonyl]-2′,2′-difluoro-, (7R)-7-(hexyloxy)-1-[(6R)-6-(hexyloxy)-3-methoxy-3-oxido-2,4,8-trioxa-3-phosphatetradec-1-yl]-4-methoxy-4-oxido-3,5,9-trioxa-4-phosphapentadec-1-yl methyl ester, 3′-(1,1-dimethylethyl carbonate)

1H-1,3,5-Triazepine-2,4(3H,5H)-dione, 3,5-dibenzoyl-1-(3,5-di-O-benzoyl-2-deoxy-β-D-erythro-pentofuranosyl)-

1-(3,5-Di-O-benzoyl-2-deoxy-β-D-erythro-pentofuranosyl)-1H-1,3,5-triazepine-2,4(3H,5H)-dione

1-(3,5-Di-O-acetyl-2-deoxy-β-D-erythro-pentofuranosyl)-1H-1,3,5-triazepine-2,4(3H,5H)-dione

1-(2-Deoxy-β-D-erythro-pentofuranosyl)-1H-1,3,5-triazepine-2,4(3H,5H)-dione