3-[[[3-[[9-[2-Deoxy-3,5-bis-O-(2-methyl-1-oxopropyl)-β-D-erythro-pentofuranosyl]-2-[(2-methyl-1-oxopropyl)amino]-9H-purin-6-yl]oxy]propyl]amino]carbonyl]-2,2,5,5-tetramethyl-1-pyrrolidinyloxy

Carbamic acid, [3-[[9-[2-deoxy-3,5-bis-O-(2-methyl-1-oxopropyl)-β-D-erythro-pentofuranosyl]-2-[(2-methyl-1-oxopropyl)amino]-9H-purin-6-yl]oxy]propyl]-, 9H-fluoren-9-ylmethyl ester

Adenosine, 5′-[hydrogen [(2S)-2-amino-4-(methylthio)-1-oxobutyl]phosphoramidate]

Adenosine, N-benzoyl-, 2′,3′-dibenzoate 5′-[hydrogen [(2S)-4-(methylthio)-1-oxo-2-[[tris[4-(benzoyloxy)phenyl]methyl]amino]butyl]phosphoramidate]

Adenosine, 5′-[hydrogen [(2R)-2-amino-3-(4-hydroxyphenyl)-1-oxopropyl]phosphoramidate]

Adenosine, 5′-[hydrogen [(2S)-2-amino-3-(4-hydroxyphenyl)-1-oxopropyl]phosphoramidate]

Adenosine, 5′-[hydrogen [(2S,3S)-2-amino-3-methyl-1-oxopentyl]phosphoramidate]

Adenosine, N-benzoyl-, 2′,3′-dibenzoate 5′-[hydrogen [(2R)-1-oxo-3-[4-[tris[4-(benzoyloxy)phenyl]methoxy]phenyl]-2-[[tris[4-(benzoyloxy)phenyl]methyl]amino]propyl]phosphoramidate]

Adenosine, N-benzoyl-, 2′,3′-dibenzoate 5′-[hydrogen [(2S)-1-oxo-3-[4-[tris[4-(benzoyloxy)phenyl]methoxy]phenyl]-2-[[tris[4-(benzoyloxy)phenyl]methyl]amino]propyl]phosphoramidate]

Adenosine, N-benzoyl-, 2′,3′-dibenzoate 5′-[hydrogen [(2S,3S)-3-methyl-1-oxo-2-[[tris[4-(benzoyloxy)phenyl]methyl]amino]pentyl]phosphoramidate]

Thymidine, 3′-benzoate 3′-[2-cyanoethyl (phenylacetyl)phosphoramidate]

Cytidine, guanylyl-(3′→5′)-uridylyl-(3′→5′)-guanylyl-(3′→5′)-cytidylyl-(3′→5′)-adenylyl-(3′→5′)-cytidylyl-(3′→5′)-adenylyl-(3′→5′)-2′-deoxy-

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-N-(2-methyl-1-oxopropyl)-, 3′-benzoate 6-(diphenylcarbamate)

Guanosine, N-(2-furanylcarbonyl)-

Inosine, 2-(allylthio)-, 5′-(dihydrogen phosphate)

Cytidine, N-(1-oxopropyl)-, 2′,3′,5′-tripropanoate

Cytidine, N-(1-oxobutyl)-, 2,3,5-tributanoate

1-[(1S,3R,4R,5S)-4-Hydroxy-1-(hydroxymethyl)-6-methyl-2-oxa-6-azabicyclo[3.2.0]hept-3-yl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[(1S,3R,4R,5S)-1-[[[(1,1-Dimethylethyl)diphenylsilyl]oxy]methyl]-6-methyl-4-[(triethylsilyl)oxy]-2-oxa-6-azabicyclo[3.2.0]hept-3-yl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[(1S,3R,4R,5S)-1-[[[(1,1-Dimethylethyl)diphenylsilyl]oxy]methyl]-4-[(triethylsilyl)oxy]-2-oxa-6-azabicyclo[3.2.0]hept-3-yl]-5-methyl-2,4(1H,3H)-pyrimidinedione