Adenosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-3′-O-[(2R,6R)-4,4,6-trimethyl-2-sulfido-1,3,2-oxathiaphosphorinan-2-yl]-

Cytidine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-3′-O-[(2S,6S)-4,4,6-trimethyl-2-sulfido-1,3,2-oxathiaphosphorinan-2-yl]-

Thymidine, [P(S)]-2′-deoxy-P-thioguanylyl-(3′→5′)-[P(R)]-2′-deoxy-P-thioadenylyl-(3′→5′)-[P(S)]-2′-deoxy-P-thiocytidylyl-(3′→5′)-

Thymidine, [P(S)]-P-thiothymidylyl-(3′→5′)-[P(R)]-P-thiothymidylyl-(3′→5′)-[P(R)]-P-thothymidylyl-(3′→5′)-[P(R)]-P-thiothymidylyl-(3′→5′)-[P(R)]-P-thiothymidylyl-(3′→5′)-[P(S)]-P-thiothymidylyl-(3′→5′)-

Thymidine, [P(R)]-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P(O)-[(1S)-3-mercapto-1,3-dimethylbutyl]-P-thiothymidylyl-(3′→5′)-

Thymidine, [P(S)]-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P(O)-[(1R)-3-mercapto-1,3-dimethylbutyl]-P-thiothymidylyl-(3′→5′)-

Uridine, 5-bromo-2′,3′-O-(1-methylethylidene)-, 5′-acetate

6-(Aminocarbonyl)-2′,3′-O-(1-methylethylidene)uridine

Uridine, 6-cyano-2′,3′-O-(1-methylethylidene)-, 5′-acetate

Uridine, 2′-O-(tetrahydro-4-methoxy-2H-pyran-4-yl)-, 5′-[(4-chlorophenoxy)acetate]

p-Anisamide, N-(9-β-D-ribofuranosyl-9H-purin-9-yl)-, mono-p-anisate (ester)

p-Anisamide, N-[1,2-dihydro-2-oxo-1-[2-O-(tetrahydro-4-methoxy-2H-pyran-4-yl)-β-D-ribofuranosyl]-4-pyrimidinyl]-, mono-p-anisate (ester)

p-Anisamide, N-(1,2-dihydro-2-oxo-1-β-D-ribofuranosyl-4-pyrimidinyl)-, mono-p-anisate (ester) mono(methoxyacetate) (ester)

Acetamide, N-(1,2-dihydro-2-oxo-1-β-D-ribofuranosyl-4-pyrimidinyl)-, monoacetate (ester) mono(methoxyacetate) (ester)

Cytidine, cyclic 2′,3′-(hydrogen methoxyorthoacetate)

Uridine, 2′-O-(tetrahydro-4-methoxy-2H-pyran-4-yl)-, 5′-benzoate

Uridine, 5′-benzoate 3′-(methoxyacetate)

Uridine, cyclic 2′,3′-(hydrogen methoxyorthoacetate)

Adenosine, cyclic 2′,3′-(methyl orthoformate) 5′-(methoxyacetate)

Adenosine, N-benzoyl-2′-O-(tetrahydro-4-methoxy-2H-pyran-4-yl)-, 5′-(2-methoxyacetate)