2(1H)-Pyrimidinone, 4-amino-5-octyl-1-[(4aR,6R,7R,7aS)-tetrahydro-2,7-dihydroxy-2-oxido-4H-furo[3,2-d]-1,3,2-dioxaphosphorin-6-yl]-

Pyridinium, 3-diazonio-1-[5-O-[hydroxy(phosphonooxy)phosphinyl]-β-D-ribofuranosyl]-, mono(inner salt), P′→5′-ester with 3-β-D-ribofuranosyl-3H-imidazo[2,1-i]purine

5′-Uridylic acid, 5-[(1E)-2-(3-aminophenyl)ethenyl]-

6H-Purin-6-one, 2-amino-1,9-dihydro-8-[[(4-nitrophenyl)methyl]seleno]-9-[(4aR,6R,7R,7aS)-tetrahydro-2,7-dihydroxy-2-oxido-4H-furo[3,2-d]-1,3,2-dioxaphosphorin-6-yl]-

3′-Thymidylic acid, 2-chloro-4-(1,1-dimethylethyl)phenyl 2,2,2-tribromoethyl ester, 5′-[(4-chlorophenoxy)acetate]

Thymidine, P-(2-chlorophenyl)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′)-P-(2-chlorophenyl)thymidylyl-(3′→5′)-P-(2-chlorophenyl)thymidylyl-(3′→5′)-, 3′-benzoate

Thymidine, P-(2-chlorophenyl)thymidylyl-(3′→5′)-, 3′-benzoate

3′-Cytidylic acid, P-(2-chlorophenyl)-N-(4-methoxybenzoyl)-2′-O-(tetrahydro-4-methoxy-2H-pyran-4-yl)cytidylyl-(3′→5′)-N-(4-methoxybenzoyl)-2′-O-(tetrahydro-4-methoxy-2H-pyran-4-yl)-, 2-chlorophenyl 2,2,2-trichloroethyl ester

Adenosine, 5′-deoxy-5′-(phenylseleninyl)-, (S)-

Adenosine, 5′-deoxy-5′-(phenylseleninyl)-, (R)-

Adenosine, 5′-[hydrogen (3-amino-4-methyl-2-oxopentyl)phosphonate]

Adenosine, 5′-[hydrogen (3-amino-2-oxopropyl)phosphonate]

2′-Adenylic acid, 7,8-dihydro-8-oxo-

Guanosine 5′-(trihydrogen diphosphate), P′-(4-deoxy-α-D-lyxo-hexopyranosyl) ester

Adenosine 5′-(trihydrogen diphosphate), P′→5′-ester with 3-acetyl-5-methyl-1-β-D-ribofuranosylpyridinium, inner salt

1-Piperidinyloxy, 4-[[[[6-amino-9-(5-O-phosphono-β-D-ribofuranosyl)-9H-purin-2-yl]thio]acetyl]amino]-2,2,6,6-tetramethyl-

3′-Guanylic acid, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-(4-chlorophenyl)-2′-deoxy-N-(2-methyl-1-oxopropyl)guanylyl-(3′→5′)-2′-deoxy-N-(2-methyl-1-oxopropyl)-, 4-chlorophenyl 2-cyanoethyl ester

3′-Guanylic acid, N-benzoyl-2′-deoxy-, 2-chloro-4-(1,1-dimethylethyl)phenyl 2,2,2-tribromoethyl ester, 5′-[(4-chlorophenoxy)acetate]

3′-Cytidylic acid, 2′-deoxy-N-(4-methoxybenzoyl)-, 2-chloro-4-(1,1-dimethylethyl)phenyl 2,2,2-tribromoethyl ester, 5′-[(4-chlorophenoxy)acetate]

3′-Adenylic acid, N-benzoyl-2′-deoxy-, 2-chloro-4-(1,1-dimethylethyl)phenyl 2,2,2-tribromoethyl ester, 5′-[(4-chlorophenoxy)acetate]