Guanosine, 5′-carbamate

Guanosine, 2′,3′-O-(1-methylethylidene)-, 5′-carbamate

Uridine, 2′,3′-O-(1-methylethylidene)-, 5′-(phenyl carbonate)

6-S-Methyl-2′,3′-O-(1-methylethylidene)-6-thioinosine

Adenosine, N-benzoyl-2′-deoxy-5′-O-phosphonoadenylyl-(3′→5′)-N-benzoyl-2′-deoxy-, 3′-acetate

Cytidine, 5′-O-phosphonothymidylyl-(3′→5′)-2′-deoxy-N-(4-methoxybenzoyl)-, 3′-acetate

Guanosine, N-benzoyl-2′-deoxy-, 5′-(N,N′-diphenylphosphorodiamidate)

Guanosine, N-benzoyl-2′-deoxy-, 5′-(hydrogen phenylphosphoramidate)

Cytidine, 2′-deoxy-N-(4-methoxybenzoyl)-, 2′-(hydrogen phenylphosphoramidate)

Adenosine, N-benzoyl-2′-deoxy-, 5′-(N,N′-diphenylphosphorodiamidate)

Adenosine, N-benzoyl-2′-deoxy-, 5′-(hydrogen phenylphosphoramidate)

Thymidine, 5′-(di-4-morpholinylphosphinate)

Thymidine, 5′-(N,N′-diphenylphosphorodiamidate)

5′-Guanylic acid, N-benzoyl-2′-deoxy-

2-Ethyl-6-β-D-ribofuranosyloxazolo[5,4-d]pyrimidin-7(6H)-one

2-Ethyl-6-(2,3,5-tri-O-benzoyl-β-D-ribofuranosyl)oxazolo[5,4-d]pyrimidin-7(6H)-one

Adenosine 5′-(pentahydrogen tetraphosphate), N-[2-(methylthio)ethyl]-2′,3′-O-(2-phenylethylidene)-2-[(3,3,3-trifluoropropyl)thio]-, P′′′→5′-ester with 2′,3′-O-(2-phenylethylidene)adenosine

Uridine 5′-(pentahydrogen tetraphosphate), P′′′→5′-ester with N-[[(4-methoxyphenyl)amino]carbonyl]cytidine

Uridine 5′-(pentahydrogen tetraphosphate), 2′-deoxy-, 3′-(phenylcarbamate), P′′′→5′-ester with uridine

5′-Uridylic acid, 2′-deoxy-, 3′-(phenylcarbamate)