2'-Deoxy-3'-de(phosphinicooxy)guanylyl-1,2-hydrazinediyl-(3'→5')-2',5'-dideoxyguanosine

2'-Deoxy-3'-O-dephosphinicoguanylyliminomethylene-(3'→5')-2',5'-dideoxyguanosine

2'-Deoxy-3'-de(phosphinicooxy)guanylyliminocarbonylimino-(3'→5')-2',5'-dideoxyguanosine

2'-Deoxy-3'-de(phosphinicooxy)guanylylimino(dimethylsilylene)imino-(3'→5')-2',5'-dideoxyguanosine

2'-Deoxy-3'-de(phosphinicooxy)guanylylimino[2,2,2-trifluoro-1-(trifluoromethyl)ethylidene]imino-(3'→5')-2',5'-dideoxyguanosine

2'-Deoxy-3'-de(phosphinicooxy)guanylylimino(1-methylethylidene)imino-(3'→5')-2',5'-dideoxyguanosine

3'-De(phosphinicooxy)guanylyliminosulfonylimino-(3'→5')-2',5'-dideoxyguanosine

3'-[(Aminosulfonyl)amino]-2',3'-dideoxyguanosine

2'-Deoxy-3'-de(phosphinicooxy)guanylyliminosulfonylimino-(3'→5')-2',5'-dideoxyguanosine

3'-[4-(3-Chloropropyl)-1H-1,2,3-triazol-1-yl]-3'-deoxy-5-methyluridine

3'-Deoxy-3'-[4-(hydroxymethyl)-1H-1,2,3-triazol-1-yl]-5-methyluridine

2',3'-Dideoxy-5'-O-[(1,1-dimethylethyl)diphenylsilyl]-2'-(2-ethoxy-1-hydroxy-1-methyl-2-oxoethyl)-5-methyluridine

3'-Deoxy-3'-[4-[[(3-ethyl-4-methyl-2-oxo-2H-1-benzopyran-7-yl)oxy]methyl]-1H-1,2,3-triazol-1-yl]-5-methyluridine

1-(2,3-Di-O-acetyl-5-deoxy-β-D-ribofuranosyl)-6-(trifluoromethyl)-1H-benzimidazole

1-(2,3-Di-O-acetyl-5-deoxy-β-D-ribofuranosyl)-5-(trifluoromethyl)-1H-benzimidazole

2'-Deoxy-2',2'-difluoro-3'-O-methylcytidine

2'-Deoxy-5'-O-[(1,1-dimethylethyl)dimethylsilyl]-2',2'-difluoro-3'-O-methylcytidine

5-Chloro-5'-deoxy-2',3'-di-O-methylcytidine

5-(2-Furanyl)-3-methyluridine

5'-O-[Bis(4-methoxyphenyl)phenylmethyl]-2'-deoxy-2-thiouridine