5-Bromo-7-[(2R,3R,4R,5R)-4-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-5-ethenyl-3-fluorotetrahydro-2-furanyl]-7H-pyrrolo[2,3-d]pyrimidin-4-amine

(2R,3S,4R,5R)-2-(4-Amino-5-bromo-7H-pyrrolo[2,3-d]pyrimidin-7-yl)-5-ethenyl-4-fluorotetrahydro-3-furanol

1,1-Dimethylethyl N-[(4E)-5-[(2S,4R,5R)-5-(4-amino-5-bromo-7H-pyrrolo[2,3-d]pyrimidin-7-yl)tetrahydro-4-hydroxy-2-furanyl]-4-penten-1-yl]-N-[(3-fluorobicyclo[1.1.1]pent-1-yl)methyl]carbamate

(2R,3R,5S)-2-(4-Amino-5-bromo-7H-pyrrolo[2,3-d]pyrimidin-7-yl)-5-ethenyltetrahydro-3-furanol

1,3-Bis(1,1-dimethylethyl) 2-[5-bromo-7-[(2R,4S,5R)-5-[(1E)-5-[[(1,1-dimethylethoxy)carbonyl][(3-fluorobicyclo[1.1.1]pent-1-yl)methyl]amino]-1-penten-1-yl]-4-[[(1,1-dimethylethyl)dimethylsilyl]oxy]tetrahydro-2-furanyl]-7H-pyrrolo[2,3-d]pyrimidin-4-yl]imidodicarbonate

1,3-Bis(1,1-dimethylethyl) 2-[5-bromo-7-[(2R,4S,5R)-4-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-5-ethenyltetrahydro-2-furanyl]-7H-pyrrolo[2,3-d]pyrimidin-4-yl]imidodicarbonate

5-Bromo-7-[(2R,4S,5R)-4-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-5-ethenyltetrahydro-2-furanyl]-7H-pyrrolo[2,3-d]pyrimidin-4-amine

(2R,3R,4S,5R)-2-(4-Amino-5-bromo-7H-pyrrolo[2,3-d]pyrimidin-7-yl)tetrahydro-5-[(1E)-5-[(methylsulfonyl)oxy]-1-penten-1-yl]-3,4-furandiol

1,3-Bis(1,1-dimethylethyl) 2-[5-bromo-7-[(3aR,4R,6R,6aR)-tetrahydro-6-[(1E)-5-hydroxy-1-penten-1-yl]-2,2-dimethylfuro[3,4-d]-1,3-dioxol-4-yl]-7H-pyrrolo[2,3-d]pyrimidin-4-yl]imidodicarbonate

1,1-Dimethylethyl N-[(2E)-5-[(2R,3S,4R,5R)-5-(4-amino-5-bromo-7H-pyrrolo[2,3-d]pyrimidin-7-yl)tetrahydro-3,4-dihydroxy-2-furanyl]-2-penten-1-yl]-N-(phenylmethyl)carbamate

(2R,3R,4S,5R)-2-(5-Bromo-4-chloro-7H-pyrrolo[2,3-d]pyrimidin-7-yl)-5-(3-buten-1-yl)tetrahydro-3,4-furandiol

1,1-Dimethylethyl N-[(2E)-5-[(2R,3S,4R,5R)-5-(5-bromo-4-chloro-7H-pyrrolo[2,3-d]pyrimidin-7-yl)tetrahydro-3,4-dihydroxy-2-furanyl]-2-penten-1-yl]-N-(phenylmethyl)carbamate