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]

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]phosphonite]

Thymidine, 3′-O-[(1,1-dimethylethyl)dimethylsilyl]-, 5′-[4-nitrophenyl [2-[3-(trifluoroacetyl)-1,3,2-oxazaphospholidin-2-yl]ethyl]phosphonite]

Thymidine, 5′-O-[(1H-benzotriazol-1-yloxy)[2-[3-(trifluoroacetyl)-1,3,2-oxazaphospholidin-2-yl]ethyl]phosphino]-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-, 3′-(2-cyanoethyl 2,4-dinitrophenyl phosphite)

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

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

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-O-[(2-cyanoethoxy)[[4-nitro-6-(trifluoromethyl)-1H-benzotriazol-1-yl]oxy]phosphino]-

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-O-[(2-cyanoethoxy)[(6-nitro-1H-benzotriazol-1-yl)oxy]phosphino]-