5'-[[(3R,4R,5S)-3,4-Bis(methoxycarbonyl)-5-(2-methoxyphenyl)-2-methyl-D-prolylglycyl]amino]-5'-deoxyuridine

5'-[[(3R,4R,5S)-3,4-Bis(methoxycarbonyl)-2-methyl-5-phenyl-D-prolylglycyl]amino]-5'-deoxyuridine

5'-[[(3S,4S,5R)-3,4-Bis(methoxycarbonyl)-5-(2-methoxyphenyl)-2-methyl-L-prolylglycyl]amino]-5'-deoxyuridine

PSI-352938

5-(3-Amino-1-propyn-1-yl)-3'-O-(2-cyanoethyl)-2'-deoxyuridine

5'-[[(3R,4R,5S)-5-(2,3-Dimethoxyphenyl)-3,4-bis(methoxycarbonyl)-2-methyl-D-prolyl-L-prolyl]amino]-5'-deoxyuridine

2'-Deoxy-3',5'-dithioguanosine

5-(5-Chloro-2-benzothiazolyl)-2'-deoxyuridine

3'-Azido-5-(5-chloro-2-benzothiazolyl)-2',3'-dideoxyuridine

3'-Azido-5-(2-benzothiazolyl)-2',3'-dideoxyuridine

3'-Deoxy-2'-C-methyl-6-O-methylguanosine

N-[(4-Fluorophenyl)methyl]-2'-C-methyl-6-O-methylguanosine

N-Benzoyl-8-(chloromethyl)-5'-O-[dimethyl(1,1,2-trimethylpropyl)silyl]-2',3'-di-O-methyladenosine

N-Benzoyl-5'-O-[dimethyl(1,1,2-trimethylpropyl)silyl]-8-(hydroxymethyl)-2',3'-di-O-methyladenosine

N-Benzoyl-5'-O-[dimethyl(1,1,2-trimethylpropyl)silyl]-2',3'-di-O-methyladenosine

L-Tyrosine, methyl ester, ester with 3'-azido-5'-[(carboxymethyl)oxidoimino]-3',5'-dideoxythymidine

N-Acetyl-3',5'-O-[bis(1,1-dimethylethyl)silylene]-2'-deoxy-2'-iodocytidine

5-[3-[[4-[Bis[2-(diphenylphosphino)ethyl]amino]-1,4-dioxobutyl]amino]propyl]-2'-deoxyuridine

3'-C-(Fluoromethyl)-N-methyladenosine

5'-O-[Bis(4-methoxyphenyl)phenylmethyl]-2'-deoxy-N-[2-[(1,1-dimethylethyl)dithio]ethyl]-5-methylcytidine