5-Bromo-4-chloro-7-(2,5-di-O-benzoyl-3-deoxy-β-D-erythro-pentofuranosyl)-7H-pyrrolo[2,3-d]pyrimidine

2′-Deoxy-5-fluoro-5′-O-(triethylsilyl)uridine

2′-Deoxy-5-fluoro-5′-O-(triethylsilyl)cytidine

2′-Deoxy-5′-O-[dimethyl(phenylmethyl)silyl]-2′,2′-difluorocytidine

2′-Deoxy-5′-O-[diethyl(1-methylethyl)silyl]-2′,2′-difluorocytidine

2′-Deoxy-2′,2′-difluoro-5′-O-(triethylsilyl)cytidine

1-(2,5-Dideoxy-β-D-erythro-hexofuranosyl)-5-methyl-2,4(1H,3H)-pyrimidinedione

Guanosine, 2′-deoxy-N-[(7R,8S,9R,10S)-7,8,9,10-tetrahydro-7,8,9-trihydroxy-11-methylbenzo[a]pyren-10-yl]-

Guanosine, 2′-deoxy-N-[(7S,8R,9S,10S)-7,8,9,10-tetrahydro-7,8,9-trihydroxy-11-methylbenzo[a]pyren-10-yl]-

Guanosine, 2′-deoxy-N-[(7S,8R,9S,10R)-7,8,9,10-tetrahydro-7,8,9-trihydroxy-11-methylbenzo[a]pyren-10-yl]-

Thymine, 1-(6-acetamido-2,5,6-trideoxy-β-D-erythro-hexofuranosyl)-

2,4(1H,3H)-Pyrimidinedione, 1-(6-amino-2,5,6-trideoxy-β-D-erythro-hexofuranosyl)-5-methyl-

β-D-erythro-Hexofuranurononitrile, 1,2,5-trideoxy-1-(3,4-dihydro-5-methyl-2,4-dioxo-1(2H)-pyrimidinyl)-

Thymine, 1-(2-deoxy-D-ribo-hexofuranosyl)-, 3′,5′,6′-tris(p-nitrobenzoate)