Uridine, 2'-deoxy-5-[[10-(phenylethynyl)-9-anthracenyl]ethynyl]-3',5'-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-

Uridine, 2'-deoxy-3',5'-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-5-[[4-(triphenylmethyl)phenyl]ethynyl]-

Uridine, 2'-deoxy-3',5'-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-5-[(4-tricyclo[3.3.1.13,7]dec-1-ylphenyl)ethynyl]-

Uridine, 2',3'-dideoxy-3'-fluoro-5-(iodoethynyl)-

Uridine, 3'-azido-2',3'-dideoxy-5-(iodoethynyl)-

Uridine, 3'-azido-2',3'-dideoxy-5-ethynyl-5'-O-[(4-methoxyphenyl)diphenylmethyl]-

Uridine, 2',3'-dideoxy-3'-fluoro-5-(iodoethynyl)-5'-O-[(4-methoxyphenyl)diphenylmethyl]-

1H-Benzotriazole, 5,6-dichloro-1-α-β-D-ribofuranosyl-

Uridine, 2',3'-dideoxy-5-ethynyl-3'-fluoro-5'-O-[(4-methoxyphenyl)diphenylmethyl]-

1-[2-Deoxy-5-O-[(4-methoxyphenyl)diphenylmethyl]-β-D-threo-pentofuranosyl]-5-ethynyl-2,4(1H,3H)-pyrimidinedione

Uridine, 2'-deoxy-5-ethynyl-5'-O-[(4-methoxyphenyl)diphenylmethyl]-, 3'-methanesulfonate

3'-[(Aminocarbonyl)amino]-3'-deoxy-2',5'-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-N-methyladenosine

2'-Deoxy-5'-O-(5,5-difluoro-2-oxido-1,3,2-dioxaphosphorinan-2-yl)-5-fluorouridine

3'-Amino-3'-deoxy-2',5'-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-N-methyladenosine

Adenosine, 8-[(4-chlorophenyl)ethynyl]-

8-[2-[4-(Trifluoromethyl)phenyl]ethynyl]adenosine

8-[2-(4-Acetylphenyl)ethynyl]adenosine

3'-[(Aminocarbonyl)amino]-3'-deoxy-N-methyladenosine

8-[2-[4-(Diethylamino)phenyl]ethynyl]adenosine

8-[2-(4-Methoxyphenyl)ethynyl]adenosine