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

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

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'-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

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

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-[(4-methylphenyl)ethynyl]-

β-D-Ribofuranuronamide, 3-azido-1,3-dideoxy-N-methyl-1-[6-(methylamino)-2-(phenylethynyl)-9H-purin-9-yl]-, 2-acetate

β-D-Ribofuranuronamide, 1,3-dideoxy-N-methyl-1-[6-(methylamino)-2-(phenylethynyl)-9H-purin-9-yl]-3-(4-phenyl-1H-1,2,3-triazol-1-yl)-

β-D-Ribofuranuronamide, 3-azido-1,3-dideoxy-N-methyl-1-[6-(methylamino)-2-(phenylethynyl)-9H-purin-9-yl]-

β-D-Ribofuranuronamide, 3-amino-1,3-dideoxy-N-methyl-1-[6-(methylamino)-2-(phenylethynyl)-9H-purin-9-yl]-

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

2'-Deoxy-5-[2-[10-(2-phenylethynyl)-9-anthracenyl]ethynyl]uridine

2'-Deoxy-5-[2-[4-(triphenylmethyl)phenyl]ethynyl]uridine

2'-Deoxy-5-[2-(4-tricyclo[3.3.1.13,7]dec-1-ylphenyl)ethynyl]uridine