C,C′-Bis(1,1-dimehylethyl) N,N′-[(1S)-1-[[[3-[[5-bromo-7-(2,3,5-tri-O-benzoyl-β-D-ribofuranosyl)-7H-pyrrolo[2,3-d]pyrimidin-4-yl]amino]propyl]amino]carbonyl]-1,2-ethanediyl]bis[carbamate]

2,3-Diamino-N-[3-[(7-β-D-ribofuranosyl-7H-pyrrolo[2,3-d]pyrimidin-4-yl)amino]propyl]propanamide

C,C′-Bis(1,1-dimehylethyl) N,N′-[(1R)-1-[[[3-[[5-bromo-7-(2,3,5-tri-O-benzoyl-β-D-ribofuranosyl)-7H-pyrrolo[2,3-d]pyrimidin-4-yl]amino]propyl]amino]carbonyl]-1,2-ethanediyl]bis[carbamate]

N1-[5-Bromo-7-(2,3,5-tri-O-benzoyl-β-D-ribofuranosyl)-7H-pyrrolo[2,3-d]pyrimidin-4-yl]-1,3-propanediamine

1,1-Dimethylethyl N-[3-[[5-bromo-7-(2,3,5-tri-O-benzoyl-β-D-ribofuranosyl)-7H-pyrrolo[2,3-d]pyrimidin-4-yl]amino]propyl]carbamate

Thymidine, 3′-acetate 5′-[2-[(4-amino-2-pyridinyl)(phenylmethyl)amino]ethyl carbonate]

Guanosine, 2′-deoxy-N-(2-methyl-1-oxopropyl)-, 3′-acetate 5′-[2-[(4-amino-2-pyridinyl)methylamino]-1-phenylethyl carbonate]

Adenosine, N-benzoyl-2′-deoxy-, 3′-acetate 5′-[2-[(4-amino-2-pyridinyl)methylamino]-1-phenylethyl carbonate]

Cytidine, N-benzoyl-2′-deoxy-, 3′-acetate 5′-[2-[(4-amino-2-pyridinyl)methylamino]-1-phenylethyl carbonate]

Thymidine, 3′-acetate 5′-[2-[(4-nitro-2-pyridinyl)(phenylmethyl)amino]ethyl carbonate]

Guanosine, 2′-deoxy-N-(2-methyl-1-oxopropyl)-, 3′-acetate 5′-[2-[methyl(4-nitro-2-pyridinyl)amino]-1-phenylethyl carbonate]

Adenosine, N-benzoyl-2′-deoxy-, 3′-acetate 5′-[2-[methyl(4-nitro-2-pyridinyl)amino]-1-phenylethyl carbonate]

Cytidine, N-benzoyl-2′-deoxy-, 3′-acetate 5′-[2-[methyl(4-nitro-2-pyridinyl)amino]-1-phenylethyl carbonate]