N-(Phenylmethyl)-7-β-D-xylofuranosyl-7H-purin-6-amine

5′-Thymidylic acid, bis[2-(phenylsulfonyl)ethyl] ester

5′-Thymidylic acid, bis[2-(phenylthio)ethyl] ester

Adenosine, N-acetyl-2′-deoxy-, 3′-acetate

5-(Diethylamino)-2-β-D-ribofuranosyl-1,2,4-triazin-3(2H)-one

Uridine, cyclic 2′,3′-(tricyclo[3.3.1.13,7]dec-1-ylphosphonate) 5′-acetate

Uridine, cyclic 2′,3′-(tricyclo[3.3.1.13,7]dec-1-ylphosphonate)

Uridine, cyclic 3′,5′-(tricyclo[3.3.1.13,7]dec-1-ylphosphonate)

Thymidine, 2′-O-acetyl-P-(hydroxyphenoxyphosphinyl)thymidylyl-(5′→5′)-, 3′-acetate

Thymidine 5′-(trihydrogen diphosphate), P-phenyl ester, 3′-acetate, P′→5′-ester with thymidine 3′-acetate

Thymidine 5′-(trihydrogen diphosphate), P-(2-cyanoethyl) P′-phenyl ester, 3′-acetate

Thymidine, P-(hydroxyphenoxyphosphinyl)-5′-O-(triphenylmethyl)thymidylyl-(3′→5′)-, 3′-acetate

Adenosine, 5′-O-phosphonoadenylyl-(3′→5′)-adenylyl-(3′→5′)-adenylyl-(3′→5′)-adenylyl(3′→5′)-adenylyl-(3′→5′)-2′,3′-O-[[4-[(2-chloroethyl)methylamino]phenyl]methylene]-

5-Fluoro-1-β-D-ribofuranosyl-1H-imidazole-4-carboxamide

1H-Purinium, 2-amino-6,9-dihydro-7-methyl-9-β-D-ribofuranosyl-6-selenoxo-, inner salt

9-β-D-Arabinofuranosyl-6-[[(4-nitrophenyl)methyl]seleno]-9H-purine

9-β-D-Arabinofuranosyl-6-[(3-methyl-2-buten-1-yl)seleno]-9H-purine

9-β-D-Arabinofuranosyl-6-(cyclopentylseleno)-9H-purine

9-β-D-Arabinofuranosyl-6-[(1-methyl-4-nitro-1H-imidazol-5-yl)seleno]-9H-purine

9-β-D-Arabinofuranosyl-6-(butylseleno)-9H-purine