5'-O-[(2R,4S)-4-(4-Cyanophenyl)-2-oxido-1,3,2-dioxaphosphorinan-2-yl]-2'-C-methyladenosine

5'-O-[(2R,4S)-4-(2,3-Difluorophenyl)-2-oxido-1,3,2-dioxaphosphorinan-2-yl]-2'-C-methyladenosine

5'-[[(3S)-3-Amino-3-carboxypropyl]diseleno]-5'-deoxyadenosine

Uridine, 2'-deoxy-5-[2-(5-hexyl-2-pyrimidinyl)ethynyl]-, 3',5'-bis(4-methylbenzoate)

1-[2-Deoxy-3,5-bis-O-(4-methylbenzoyl)-α-D-erythro-pentofuranosyl]-1H-benzimidazole

1-[2-Deoxy-3,5-bis-O-(4-methylbenzoyl)-β-D-erythro-pentofuranosyl]-1H-benzimidazole

4-[2-[6-Amino-9-(2-deoxy-β-D-erythro-pentofuranosyl)-9H-purin-8-yl]ethynyl]-L-phenylalanine

4-[2-[6-Amino-9-[2-deoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-erythro-pentofuranosyl]-9H-purin-8-yl]ethynyl]-L-phenylalanine

4-[2-[4-Amino-7-(2-deoxy-β-D-erythro-pentofuranosyl)-7H-pyrrolo[2,3-d]pyrimidin-6-yl]ethynyl]-L-phenylalanine

4-[2-[1-(2-Deoxy-β-D-erythro-pentofuranosyl)-1,2,3,4-tetrahydro-2,4-dioxo-5-pyrimidinyl]ethynyl]-L-phenylalanine

4-[2-[4-Amino-7-[2-deoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-erythro-pentofuranosyl]-7H-pyrrolo[2,3-d]pyrimidin-5-yl]ethynyl]-L-phenylalanine

4-[2-[1-[2-Deoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-erythro-pentofuranosyl]-1,2,3,4-tetrahydro-2,4-dioxo-5-pyrimidinyl]ethynyl]-L-phenylalanine

2'-Deoxy-2',2'-difluoro-5-iodocytidine

L-Valine, (1→2'),(1'→3')-diester with 2-chloroadenosine 5'-nitrate

6-S-[2-(4-Chlorophenyl)-2-oxoethyl]-6-thioguanosine

5-Chloro-2',3'-dideoxy-4-thiouridine

2',3'-Dideoxy-5-(2-phenylethynyl)uridine

5'-O-[Bis(4-methoxyphenyl)phenylmethyl]-2'-deoxy-5-[2-[1-(3,5-di-O-acetyl-2-deoxy-β-D-erythro-pentofuranosyl)-1,2,3,4-tetrahydro-2,4-dioxo-5-pyrimidinyl]ethynyl]uridine

Uridine, 2'-deoxy-3'-O-[(1,1-dimethylethyl)dimethylsilyl]-5-ethynyl-, 5'-acetate

2',3'-Dideoxy-3'-fluoro-5-[2-(4-propylphenyl)ethynyl]uridine