(1'ξ)-N-Cyclopentyl-5'-S-(2-methylphenyl)-5'-thioadenosine

(1'ξ)-N-Cyclopentyl-5'-S-(4-fluorophenyl)-5'-thioadenosine

(1'ξ)-N-(7,7-Dimethylbicyclo[2.2.1]hept-2-yl)-5'-S-(2-fluorophenyl)-5'-thioadenosine

(1'ξ)-N-Bicyclo[2.2.1]hept-2-yl-5'-S-(2-fluorophenyl)-5'-thioadenosine

(1'ξ)-5'-S-(2-Fluorophenyl)-N-[2-(phenylmethoxy)cyclopentyl]-5'-thioadenosine

(1'ξ)-5'-S-(2-Fluorophenyl)-N-[3-(hydroxymethyl)bicyclo[2.2.1]hept-2-yl]-5'-thioadenosine

(1'ξ)-5'-S-(2-Fluorophenyl)-N-[4-methyl-2-(1-methylethyl)cyclohexyl]-5'-thioadenosine

(1'ξ)-5'-S-(2-Fluorophenyl)-N-[2-(hydroxymethyl)cyclohexyl]-5'-thioadenosine

(1'ξ)-N-[2-(Aminocarbonyl)cyclohexyl]-5'-S-(2-fluorophenyl)-5'-thioadenosine

N-[(4-Nitrophenyl)methyl]-5'-S-[2-[[1-oxo-6-[[2-[4,7,10-tris(carboxymethyl)-1,4,7,10-tetraazacyclododec-1-yl]acetyl]amino]hexyl]amino]ethyl]-5'-thioadenosine

5'-S-[2-[[6-[(3-Iodobenzoyl)amino]-1-oxohexyl]amino]ethyl]-N-[(4-nitrophenyl)methyl]-5'-thioadenosine

5'-S-[2-[(6-Amino-1-oxohexyl)amino]ethyl]-N-[(4-nitrophenyl)methyl]-5'-thioadenosine

5'-S-[2-[[6-[[(1,1-Dimethylethoxy)carbonyl]amino]-1-oxohexyl]amino]ethyl]-5'-thioadenosine

5'-[(4-[1,1'-Biphenyl]-4-yl-1,4-dioxobutyl)amino]-5'-deoxyuridine

2',5'-Dideoxy-2'-fluoro-5'-[(hydroxymethoxyphosphinyl)amino]-2'-methylcytidine

2'-O-[Bis[2-(acetyloxy)ethoxy]methyl]-5'-deoxyuridine

5'-[4-[(β-L-Arabinopyranosyloxy)methyl]-1H-1,2,3-triazol-1-yl]-5'-deoxyuridine

5'-[4-[[[2-(Acetylamino)-2-deoxy-β-D-glucopyranosyl]oxy]methyl]-1H-1,2,3-triazol-1-yl]-5'-deoxyuridine

4'-C-(Azidomethyl)-N-methyladenosine

(2'R)-2'-Deoxy-2'-fluoro-2'-methyl-6-O-methylguanosine