3′-Guanylic acid, uridylyl-(3′→5′)-adenylyl-(3′→5′)-

Guanosine, 5-iodo-5′-O-phosphonocytidylyl-(3′→5′)-

3-(2-Deoxy-β-D-erythro-pentofuranosyl)-7,8-dihydro-8-hydroxypyrimido[2,1-i]purin-9(3H)-one

9-(2-Deoxy-β-D-erythro-pentofuranosyl)-6,9-dihydro-α-hydroxy-6-imino-1H-purine-1-propanoic acid

Adenosine 5′-(trihydrogen diphosphate), 2′-(dihydrogen phosphate), P′→5′-ester with 3-diazonio-1-β-D-ribofuranosylpyridinium, bis(inner salt)

Uridine, 5′-O-(triphenylmethyl)-, cyclic 2′,3′-carbonothioate

Uridine, cyclic 2′,3′-carbonate

Uridine, 5′-O-trityl-, cyclic 2′,3′-(dimethyl orthocarbonate)

Thymidine, 5′-O-[(4-methoxyphenyl)diphenylmethyl]-, 3′-(2-chlorophenyl phenylphosphoramidate), (S)-

Thymidine, 5′-O-[(4-methoxyphenyl)diphenylmethyl]-, 3′-(2-chlorophenyl phenylphosphoramidate), (R)-

Thymidine, 5′-O-[(4-methoxyphenyl)diphenylmethyl]-, 3′-[O-(2-chlorophenyl) S-methyl phosphorothioate], (S)-

Thymidine, 5′-O-[(4-methoxyphenyl)diphenylmethyl]-, 3′-[O-(2-chlorophenyl) S-methyl phosphorothioate], (R)-

Thymidine, 5′-O-[(4-methoxyphenyl)diphenylmethyl]-, 3′-(S-methyl O-phenyl phosphorothioate), (S)-

Thymidine, 5′-O-[(4-methoxyphenyl)diphenylmethyl]-, 3′-(S-methyl O-phenyl phosphorothioate), (R)-

(5S,7aR,9aS,11R,13aS)-Decahydro-4-hydroxy-11-methyl-8H-5,7a-epoxy-1H-indeno[1,7a-e]azonine-8,13(9H)-dione

Thymidine, P-(4-chlorophenyl)-5′-O-phosphonothymidylyl-(3′→5′)-, 3′-acetate

3H-Imidazo[4,5-g]quinazolin-8-amine, 3-[5-O-[hydroxy(phosphonooxy)phosphinyl]-β-D-ribofuranosyl]-, P′→5′-ester with 3-β-D-ribofuranosyl-3H-imidazo[4,5-g]quinazolin-8-amine

3H-Imidazo[4,5-g]quinazolin-8-amine, 3-(3,5-O-phosphinico-β-D-ribofuranosyl)-

3-[5-O-[Hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-ribofuranosyl]-3H-imidazo[4,5-g]quinazolin-8-amine

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