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

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

Benzimidazole, 5,6-dimethyl-1-(5-O-trityl-α-D-ribofuranosyl)-

2,5-Dimethyl-1-β-D-ribofuranosyl-1H-benzimidazole

1-(2-Azido-2-deoxy-β-D-arabinofuranosyl)-5-ethynyl-2,4(1H,3H)-pyrimidinedione

1-(2,3,5-Tri-O-acetyl-β-D-arabinofuranosyl)-5-[(trimethylsilyl)ethynyl]-2,4(1H,3H)-pyrimidinedione

5-Ethynyl-1-(2,3,5-tri-O-acetyl-β-D-arabinofuranosyl)-2,4(1H,3H)-pyrimidinedione

4-Amino-1-(2-deoxy-2-fluoro-α-D-arabinofuranosyl)-5-ethynyl-2(1H)-pyrimidinone

1-(2-Azido-2-deoxy-α-D-arabinofuranosyl)-5-ethynyl-2,4(1H,3H)-pyrimidinedione

1-[6-Amino-2-(2-phenylethynyl)-9H-purin-9-yl]-1-deoxy-N-methyl-β-D-ribofuranuronamide

Uridine, 5'-O-[bis(4-methoxyphenyl)phenylmethyl]-5-[[4-[[4-[[2,5-bis(pentyloxy)-4-[[4-[[2-(4-pyridinyl)ethyl]thio]phenyl]ethynyl]phenyl]ethynyl]-2,5-difluorophenyl]ethynyl]-2,5-difluorophenyl]ethynyl]-2'-deoxy-, 3'-(hydrogen butanedioate)

Uridine, 5'-O-[bis(4-methoxyphenyl)phenylmethyl]-2'-deoxy-5-[[4-[[4-[[4-[[3-methyl-4-[[4-[[2-(4-pyridinyl)ethyl]thio]phenyl]ethynyl]phenyl]ethynyl]phenyl]ethynyl]-2,5-dipropoxyphenyl]ethynyl]phenyl]ethynyl]-

Uridine, 5'-O-[bis(4-methoxyphenyl)phenylmethyl]-5-[[4-[[4-[[2,5-bis(pentyloxy)-4-[[4-[[2-(4-pyridinyl)ethyl]thio]phenyl]ethynyl]phenyl]ethynyl]phenyl]ethynyl]phenyl]ethynyl]-2'-deoxy-

1-(3-O-Acetyl-5-O-benzoyl-2-deoxy-2-fluoro-β-D-arabinofuranosyl)-4-amino-5-ethynyl-2(1H)-pyrimidinone

Uridine, 5'-O-[bis(4-methoxyphenyl)phenylmethyl]-2'-deoxy-2'-[[[4-[[4-[[4-[[3-methyl-4-[[4-[[2-(trimethylsilyl)ethyl]thio]phenyl]ethynyl]phenyl]ethynyl]phenyl]ethynyl]-2,5-dipropoxyphenyl]ethynyl]phenyl]methyl]amino]-

Uridine, 5'-O-[bis(4-methoxyphenyl)phenylmethyl]-2'-deoxy-5-[[4-[[4-[[4-[[3-methyl-4-[[4-[[2-(trimethylsilyl)ethyl]thio]phenyl]ethynyl]phenyl]ethynyl]phenyl]ethynyl]-2,5-dipropoxyphenyl]ethynyl]phenyl]ethynyl]-

Uridine, 5'-O-[bis(4-methoxyphenyl)phenylmethyl]-5-[[4-[[4-[[2,5-bis(pentyloxy)-4-[[4-[[2-(4-pyridinyl)ethyl]thio]phenyl]ethynyl]phenyl]ethynyl]-2,5-difluorophenyl]ethynyl]-2-fluorophenyl]ethynyl]-2'-deoxy-, 3'-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

Uridine, 5'-O-[bis(4-methoxyphenyl)phenylmethyl]-2'-[[4-[[4-[[2,5-bis(pentyloxy)-4-[[4-[[2-(4-pyridinyl)ethyl]thio]phenyl]ethynyl]phenyl]ethynyl]phenyl]ethynyl]benzoyl]amino]-2'-deoxy-, 3'-(hydrogen butanedioate)

Uridine, 5'-O-[bis(4-methoxyphenyl)phenylmethyl]-2'-deoxy-2'-[[4-[[2-fluoro-4-[[2-methyl-4-[[4-[[2-(4-pyridinyl)ethyl]thio]phenyl]ethynyl]phenyl]ethynyl]phenyl]ethynyl]benzoyl]amino]-, 3'-(hydrogen butanedioate)

Adenosine, 3'-amino-3'-deoxy-N-methyl-2-(phenylethynyl)-