6-Methyl-1-α-D-ribofuranosyl-2,4(1H,3H)-pyrimidinedione

1-(2-Deoxy-α-D-erythro-pentofuranosyl)-6-methyl-2,4(1H,3H)-pyrimidinedione

1-(3,5-Di-O-benzoyl-2-deoxy-α-D-erythro-pentofuranosyl)-6-methyl-2,4(1H,3H)-pyrimidinedione

1-(3,5-Di-O-benzoyl-2-chloro-2-deoxy-α-D-arabinofuranosyl)-6-methyl-2,4(1H,3H)-pyrimidinedione

Uridine, 2′-O-acetyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-(2-cyanoethyl)uridylyl-(3′→5′)-2′-O-acetyl-P-(2-cyanoethyl)uridylyl-(3′→5′)-2′-O-acetyl-P-(2-cyanoethyl)uridylyl-(3′→5′)-, 2′,3′-dibenzoate

3′-Uridylic acid, 2′-O-acetyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-(2-cyanoethyl)uridylyl-(3′→5′)-, 2′-acetate

3′-Uridylic acid, bis(2,2,2-trichloroethyl) ester, 2′-acetate

3′-Uridylic acid, 2′-O-acetyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-(2-cyanoethyl)uridylyl-(3′→5′)-, bis(2,2,2-trichloroethyl) ester, 2′-acetate

3′-Uridylic acid, 2′-O-(tetrahydro-2H-pyran-2-yl)-, bis(2,2,2-trichloroethyl) ester

Uridine, 2′-O-(tetrahydro-2H-pyran-2-yl)-, 3′-[hydrogen [4-(triphenylmethyl)phenyl]phosphoramidate]

Thymidine, 5,6-dihydro-3,5-dimethyl-3′,5′-di-O-methyl-

Uridine, 6-fluoro-5-methyl-, 2′,3′,5′-triacetate

1-[2-Deoxy-3,5-bis-O-(4-nitrobenzoyl)-α-D-erythro-pentofuranosyl]-6-fluoro-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[2-Deoxy-3,5-bis-O-(4-nitrobenzoyl)-β-D-erythro-pentofuranosyl]-6-fluoro-5-methyl-2,4(1H,3H)-pyrimidinedione

Thymidine, 5′-(1-naphthalenylcarbamate)

Thymidine, 3′-(1-naphthalenylcarbamate)

Adenosine, N-benzoyl-3′-O-[3,4-bis-O-(1,5-dihydro-3-oxido-2,4,3-benzodioxaphosphepin-3-yl)-2,6-bis-O-(phenylmethyl)-α-D-glucopyranosyl]-5′-deoxy-2′-O-(1,5-dihydro-3-oxido-2,4,3-benzodioxaphosphepin-3-yl)-5′-phenyl-

Adenosine, N-benzoyl-3′-O-[2,6-bis-O-(phenylmethyl)-α-D-glucopyranosyl]-5′-deoxy-5′-phenyl-

2′-Adenylic acid, N-benzoyl-3′-deoxy-5′-O-(phenylmethyl)-3′-[[2-O-(phenylmethyl)-3,4-di-O-phosphono-6-O-(triphenylmethyl)-α-D-glucopyranosyl]methyl]-

Adenosine, N-benzoyl-3′-O-[3,4-bis-O-(2-methyl-1-oxopropyl)-2,6-bis-O-(phenylmethyl)-α-D-glucopyranosyl]-5′-deoxy-5′-phenyl-, 2′-(2-methylpropanoate)