2-Chloro-4-cyclopentyl-7-[5-O-(phosphonomethyl)-β-D-ribofuranosyl]-7H-pyrrolo[2,3-d]pyrimidine

2-Chloro-4-phenyl-7-[5-O-(phosphonomethyl)-β-D-ribofuranosyl]-7H-pyrrolo[2,3-d]pyrimidine

2-Chloro-N-phenyl-7-[5-O-(phosphonomethyl)-β-D-ribofuranosyl]-7H-pyrrolo[2,3-d]pyrimidin-4-amine

4-(Cyclopentylamino)-7-[5-O-(phosphonomethyl)-β-D-ribofuranosyl]-7H-pyrrolo[2,3-d]pyrimidine-2,5-dicarbonitrile

2-Chloro-4-(cyclopentylamino)-7-[5-O-(phosphonomethyl)-β-D-ribofuranosyl]-7H-pyrrolo[2,3-d]pyrimidine-5-carbonitrile

2-Chloro-4-(hexahydrocyclopenta[c]pyrrol-2(1H)-yl)-7-[5-O-[8-methyl-2-[[[(1-methylethoxy)carbonyl]oxy]methoxy]-2-oxido-6-oxo-3,5,7-trioxa-2-phosphanon-1-yl]-β-D-ribofuranosyl]-7H-pyrrolo[2,3-d]pyrimidine

2-Chloro-4-(phenylthio)-7-[5-O-(phosphonomethyl)-β-D-ribofuranosyl]-7H-pyrrolo[2,3-d]pyrimidine

2-Chloro-4-phenoxy-7-[5-O-(phosphonomethyl)-β-D-ribofuranosyl]-7H-pyrrolo[2,3-d]pyrimidine

4-[[(1R)-1-(4-Cyclopropylphenyl)ethyl]amino]-7-[5-O-(phosphonomethyl)-β-D-ribofuranosyl]-7H-pyrrolo[2,3-d]pyrimidine-2-carbonitrile

4-[[(1S)-1-(4-Cyclopropylphenyl)ethyl]amino]-7-[5-O-(phosphonomethyl)-β-D-ribofuranosyl]-7H-pyrrolo[2,3-d]pyrimidine-2-carbonitrile

7-[5-O-[[Bis[(2,2-dimethyl-1-oxopropoxy)methoxy]phosphinyl]methyl]-β-D-ribofuranosyl]-2-chloro-4-(hexahydrocyclopenta[c]pyrrol-2(1H)-yl)-7H-pyrrolo[2,3-d]pyrimidine

7H-Pyrrolo[2,3-d]pyrimidin-4-amine, 2-chloro-N-cyclopentyl-7-[5-O-(2-hydroxy-2-oxido-6-oxo-3,5,7-trioxa-2-phosphaoct-1-yl)-β-D-ribofuranosyl]-

4-(Hexahydrocyclopenta[c]pyrrol-2(1H)-yl)-7-[5-O-(phosphonomethyl)-β-D-ribofuranosyl]-7H-pyrrolo[2,3-d]pyrimidine-2-carbonitrile

2-Chloro-N-cyclopentyl-6-methyl-7-[5-O-(phosphonomethyl)-β-D-ribofuranosyl]-7H-pyrrolo[2,3-d]pyrimidin-4-amine

2-Chloro-N-cyclopentyl-5-methyl-7-[5-O-(phosphonomethyl)-β-D-ribofuranosyl]-7H-pyrrolo[2,3-d]pyrimidin-4-amine

2-Chloro-N-[(1S)-1-(4-cyclopropylphenyl)ethyl]-7-[5-O-(phosphonomethyl)-β-D-ribofuranosyl]-7H-pyrrolo[2,3-d]pyrimidin-4-amine

2-Chloro-N-[(1R)-1-(4-cyclopropylphenyl)ethyl]-7-[5-O-(phosphonomethyl)-β-D-ribofuranosyl]-7H-pyrrolo[2,3-d]pyrimidin-4-amine

2-Chloro-N-cyclopentyl-N-(cyclopropylmethyl)-7-[5-O-(phosphonomethyl)-β-D-ribofuranosyl]-7H-pyrrolo[2,3-d]pyrimidin-4-amine

2-Chloro-N-cyclopentyl-N-ethyl-7-[5-O-(phosphonomethyl)-β-D-ribofuranosyl]-7H-pyrrolo[2,3-d]pyrimidin-4-amine

2-Chloro-N-cyclopentyl-7-[5-O-[[hydroxy[(2-methyl-1-oxopropoxy)methoxy]phosphinyl]methyl]-β-D-ribofuranosyl]-7H-pyrrolo[2,3-d]pyrimidin-4-amine