Uridine, 6-methyl-3′-O-methyl-

Uridine, 6-methyl-2′-O-methyl-3′,5′-di-O-trityl-

Thymidine, 5′-deoxy-5′-oxo-, 3′-acetate

Thymidine, 5′-(4-nitrobenzoate)

Carbamic acid, [2-ethoxy-2-[[9-[2,3-O-(ethoxymethylene)-β-D-ribofuranosyl]-9H-purin-6-yl]amino]-1-(phenylmethyl)ethyl]-, phenylmethyl ester

Uridine, 2′,3′-O-[1-ethoxy-3-phenyl-2-[[(phenylmethoxy)carbonyl]amino]propylidene]-

3′-Thymidylic acid, 2-chlorophenyl 2,2,2-trichloroethyl ester

Thymidine, P-(2-chlorophenyl)-5′-O-[(cyclohexylamino)phenoxyphosphinyl]thymidylyl-(3′→5′)-P-(2-chlorophenyl)thymidylyl-(3′→5′)-P-(2-chlorophenyl)thymidylyl-(3′→5′)-P-(2-chlorophenyl)thymidylyl-(3′→5′)-P-(2-chlorophenyl)thymidylyl-(3′→5′)-3′-O-(tetrahydro-4-methoxy-2H-pyran-4-yl)-

Thymidine, 5′-O-[(4-chlorophenoxy)acetyl]-P-(2-chlorophenyl)thymidylyl-(3′→5′)-P-(2-chlorophenyl)thymidylyl-(3′→5′)-P-(2-chlorophenyl)thymidylyl-(3′→5′)-3′-O-(tetrahydro-4-methoxy-2H-pyran-4-yl)-

3′-Thymidylic acid, P-(2-chlorophenyl)thymidylyl-(3′→5′)-, 2-chlorophenyl 2,2,2-trichloroethyl ester

3′-Thymidylic acid, 5′-O-[(4-chlorophenoxy)acetyl]-P-(2-chlorophenyl)thymidylyl-(3′→5′)-, 2-chlorophenyl 2,2,2-trichloroethyl ester

Thymidine, P-(2-chlorophenyl)thymidylyl-(3′→5′)-3′-O-(tetrahydro-4-methoxy-2H-pyran-4-yl)-

5′-O-[2-(4-Chlorophenoxy)acetyl]-P-(2-chlorophenyl)thymidylyl-(3′→5′)-3′-O-(tetrahydro-4-methoxy-2H-pyran-4-yl)thymidine

3′-Thymidylic acid, mono(2-chlorophenyl) ester, 5′-[(4-chlorophenoxy)acetate]

3′-Thymidylic acid, 2-chlorophenyl 2,2,2-trichloroethyl ester, 5′-[(4-chlorophenoxy)acetate]

1,2,3,4-Tetrahydro-1-[5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-α-D-ribofuranosyl]-2,4-dioxo-5-pyrimidinecarboxaldehyde

1,2,3,4-Tetrahydro-2,4-dioxo-1-α-D-ribofuranosyl-5-pyrimidinecarboxaldehyde

L-Phenylalanine, 2′-ester with 6-β-D-ribofuranosylimidazo[1,2-c]pyrimidin-5(6H)-one

L-Phenylalanine, N-[(phenylmethoxy)carbonyl]-, 2′-ester with 6-β-D-ribofuranosylimidazo[1,2-c]pyrimidin-5(6H)-one

L-Phenylalanine, 2′-ester with 3-β-D-ribofuranosyl-3H-imidazo[2,1-i]purine