Adenosine, P-(2-chlorophenyl)-5′-O-(1,4-dioxopentyl)-N-(4-methoxybenzoyl)-3′-O-(tetrahydro-4-methoxy-2H-pyran-4-yl)adenylyl-(2′→5′)-P-(2-chlorophenyl)-N-(4-methoxybenzoyl)-3′-O-(tetrahydro-4-methoxy-2H-pyran-4-yl)adenylyl-(2′→5′)-N-(4-methoxybenzoyl)-3′-O-methyl-, 2′-(4-oxopentanoate)

2′-Adenylic acid, P-(2-chlorophenyl)-N-(4-methoxybenzoyl)-3′-O-methyl-5′-O-[4-morpholinyl(2,2,2-tribromoethoxy)phosphinyl]adenylyl-(2′→5′)-N-(4-methoxybenzoyl)-3′-O-methyl-, mono(2-chlorophenyl) ester

2′-Adenylic acid, N-(4-methoxybenzoyl)-3′-O-methyl-, mono(2-chlorophenyl) ester, 5′-(2,2,2-tribromoethyl 4-morpholinylphosphonate)

Guanosine, N-acetyl-, 2′,3′-dibenzoate

Cytidine, adenylyl-(3′→5′)-guanylyl-(3′→5′)-5,6-dihydrouridylyl-(3′→5′)-

Adenosine, N-(4-methoxybenzoyl)-2′-O-methyl-

Adenosine, N-(4-methoxybenzoyl)-3′-O-(tetrahydro-4-methoxy-2H-pyran-4-yl)-, 2′-(4-oxopentanoate)

Adenosine, 5′-O-[hydroxy(phosphonooxy)phosphinyl]-3′-O-methyladenylyl-(2′→5′)-3′-O-methyladenylyl-(2′→5′)-3′-O-methyl-

Adenosine, 5′-O-phosphonoadenylyl-(2′→5′)-adenylyl-(2′→5′)-3′-O-methyl-

2′-Adenylic acid, P-(2-chlorophenyl)-N-(4-methoxybenzoyl)-5′-O-[4-morpholinyl(2,2,2-tribromoethoxy)phosphinyl]-3′-O-(tetrahydro-4-methoxy-2H-pyran-4-yl)adenylyl-(2′→5′)-N-(4-methoxybenzoyl)-3′-O-(tetrahydro-4-methoxy-2H-pyran-4-yl)-, mono(2-chlorophenyl) ester

2′-Adenylic acid, 5′-O-[(1,1-dimethylethyl)dimethylsilyl]-N-(4-methoxybenzoyl)-3′-O-methyl-, mono(2-chlorophenyl) ester

2′-Adenylic acid, 5′-O-[(1,1-dimethylethyl)dimethylsilyl]-N-(4-methoxybenzoyl)-3′-O-methyl-, 2-chlorophenyl 2,2,2-trichloroethyl ester, (S)-

2′-Adenylic acid, N-(4-methoxybenzoyl)-3′-O-(tetrahydro-4-methoxy-2H-pyran-4-yl)-, mono(2-chlorophenyl) ester, 5′-(4-oxopentanoate)

Adenosine, N-(4-methoxybenzoyl)-5′-O-methyl-3′-O-(tetrahydro-4-methoxy-2H-pyran-4-yl)-

Guanosine, N-(triphenylmethyl)-, 2′,3′,5′-triacetate 6-(diphenyl phosphate)

Thymidine, 5′-O-[[2-[(2-aminoethoxy)hydroxyphosphinyl]ethyl]hydroxyphosphinyl]thymidylyl-(3′→5′)-

Thymidine, 5′-[2-cyanoethyl [2-[3-(trifluoroacetyl)-1,3,2-oxazaphospholidin-2-yl]ethyl]phosphonate]

Thymidine, 3′-O-[(1,1-dimethylethyl)dimethylsilyl]-, 5′-[2-cyanoethyl [2-[3-(trifluoroacetyl)-1,3,2-oxazaphospholidin-2-yl]ethyl]phosphonate]

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-, 3′-[2-cyanoethyl [2-[(4S,5R)-3,4-dimethyl-5-phenyl-1,3,2-oxazaphospholidin-2-yl]ethyl]phosphonate]

Thymidine, 3′-O-[(1,1-dimethylethyl)dimethylsilyl]-, 5′-[2-cyanoethyl [2-[3-(trifluoroacetyl)-1,3,2-oxazaphospholidin-2-yl]ethyl]phosphonite]