Thymidine, 5′-O-[(4-methoxyphenyl)diphenylmethyl]-P-(2,2,2-trichloroethyl)thymidylyl-(3′→5′)-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-

Thymidine, P-(2-cyanoethyl)-5′-O-[(4-methoxyphenyl)diphenylmethyl]thymidylyl-(3′→5′)-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-

1,2,3,4-Tetrahydro-2,4-dioxo-1-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-5-pyrimidineacetic acid

7,7,8,8-Tetramethyl-2-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-2,4-diazabicyclo[4.2.0]octane-3,5-dione

1,3-Dioxolo[3,4]cyclobuta[1,2-d]pyrimidine-2,5,7(3aH,6H)-trione, tetrahydro-4-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-

7,7-Diethoxy-2-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-2,4-diazabicyclo[4.2.0]octane-3,5-dione

7-(Acetyloxy)-7-methyl-2-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-2,4-diazabicyclo[4.2.0]octane-3,5-dione

Uridine, N-(1-carboxy-2-phenylethyl)cytidylyl-(3′→5′)-

Cytidine, adenylyl-(3′→5′)-N-(1-carboxy-2-phenylethyl)-

Cytidine, adenylyl-(3′→5′)-N-(2-phenylethyl)-

Cytidine, adenylyl-(3′→5′)-N-(phenylmethyl)-

Adenosine, N-(1-carboxy-2-phenylethyl)cytidylyl-(3′→5′)-

Adenosine, N-(2-phenylethyl)cytidylyl-(3′→5′)-

Adenosine, N-(phenylmethyl)cytidylyl-(3′→5′)-

Cytidine, N-1-naphthalenyl-, cyclic 2′,3′-(hydrogen phosphate)

Cytidine, N-(2-phenylethyl)-, cyclic 2′,3′-(hydrogen phosphate)

Cytidine, N-(phenylmethyl)-, cyclic 2′,3′-(hydrogen phosphate)

Cytidine, N-phenyl-, cyclic 2′,3′-(hydrogen phosphate)

L-Lysine, N6-[1,2-dihydro-2-oxo-1-(2,3-O-phosphinico-β-D-ribofuranosyl)-4-pyrimidinyl]-

Adenosine, N-phenylcytidylyl-(3′→5′)-