5-(4-Aminophenyl)-7-(2-deoxy-β-D-erythro-pentofuranosyl)-7H-pyrrolo[2,3-d]pyrimidin-4-amine

7-(2-Deoxy-β-D-erythro-pentofuranosyl)-5-phenyl-7H-pyrrolo[2,3-d]pyrimidin-4-amine

N-[4-[4-Amino-7-(2-deoxy-β-D-erythro-pentofuranosyl)-7H-pyrrolo[2,3-d]pyrimidin-5-yl]phenyl]formamide

Cytidine 5′-(heptahydrogen hexaphosphate), 2′-deoxy-, P′′′′′-(11-aminoundecyl) ester

Thymidine, 5′-O-[(1,1-dimethylethyl)diphenylsilyl]-, 3′-[2-[[[1-[(1,1-dimethylethoxy)carbonyl]-2-piperidinyl]methyl][(4-ethynylphenyl)methyl]amino]ethyl carbonate]

Cytidine, N-benzoyl-2′-deoxy-5′-O-[(1,1-dimethylethyl)diphenylsilyl]-, 3′-[2-[[(4-ethynylphenyl)methyl](2-piperidinylmethyl)amino]ethyl carbonate]

Cytidine, N-benzoyl-2′-deoxy-5′-O-[(1,1-dimethylethyl)diphenylsilyl]-, 3′-[2-[[(4-ethynylphenyl)methyl][[1-[(2-propen-1-yloxy)carbonyl]-2-piperidinyl]methyl]amino]ethyl carbonate]

Thymidine, 5′-O-[(1,1-dimethylethyl)diphenylsilyl]-, 3′-[2-[[[1-[[(1,1-dioxidobenzo[b]thien-2-yl)methoxy]carbonyl]-2-piperidinyl]methyl][(4-ethynylphenyl)methyl]amino]ethyl carbonate]

Cytidine, N-benzoyl-2′-deoxy-, 3′-acetate 5′-[2-[[(4-ethynylphenyl)methyl](2-piperidinylmethyl)amino]ethyl carbonate]