4-Amino-1-[2-chloro-2,6-dideoxy-2-(fluoromethyl)-5-O-[(R)-[[(1S)-1-methyl-2-(1-methylethoxy)-2-oxoethyl]amino]phenoxyphosphinyl]-β-D-allofuranosyl]-2(1H)-pyrimidinone

4-Amino-1-[2-chloro-2,6-dideoxy-2-(fluoromethyl)-5-O-[(S)-[[(1S)-1-methyl-2-(1-methylethoxy)-2-oxoethyl]amino]phenoxyphosphinyl]-β-D-allofuranosyl]-2(1H)-pyrimidinone

4-Amino-1-[2-chloro-2,6-dideoxy-2-(fluoromethyl)-5-O-[[[(1S)-1-methyl-2-(1-methylethoxy)-2-oxoethyl]amino]phenoxyphosphinyl]-β-D-allofuranosyl]-2(1H)-pyrimidinone

4-Amino-1-[2-chloro-2,6-dideoxy-2-(fluoromethyl)-5-O-[(R)-[[(1S)-1-methyl-2-(1-methylethoxy)-2-oxoethyl]amino]phenoxyphosphinyl]-α-L-talofuranosyl]-2(1H)-pyrimidinone

4-Amino-1-[2-chloro-2,6-dideoxy-2-(fluoromethyl)-5-O-[(S)-[[(1S)-1-methyl-2-(1-methylethoxy)-2-oxoethyl]amino]phenoxyphosphinyl]-α-L-talofuranosyl]-2(1H)-pyrimidinone

4-Amino-1-[2-chloro-2,6-dideoxy-2-(fluoromethyl)-5-O-[[[(1S)-1-methyl-2-(1-methylethoxy)-2-oxoethyl]amino]phenoxyphosphinyl]-α-L-talofuranosyl]-2(1H)-pyrimidinone

4-Amino-1-[2-chloro-2,6-dideoxy-2-(fluoromethyl)-5-C-methyl-5-O-[(S)-[[(1S)-1-methyl-2-(1-methylethoxy)-2-oxoethyl]amino]phenoxyphosphinyl]-β-D-ribo-hexofuranosyl]-2(1H)-pyrimidinone

4-Amino-1-[2-chloro-2,6-dideoxy-2-(fluoromethyl)-5-C-methyl-5-O-[(R)-[[(1S)-1-methyl-2-(1-methylethoxy)-2-oxoethyl]amino]phenoxyphosphinyl]-β-D-ribo-hexofuranosyl]-2(1H)-pyrimidinone

4-Amino-1-[2-chloro-2,6-dideoxy-2-(fluoromethyl)-5-C-methyl-5-O-[[[(1S)-1-methyl-2-(1-methylethoxy)-2-oxoethyl]amino]phenoxyphosphinyl]-β-D-ribo-hexofuranosyl]-2(1H)-pyrimidinone

2-Amino-7-[6-deoxy-2-C-(fluoromethyl)-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-5-C-methyl-β-D-ribo-hexofuranosyl]-5-fluoro-3,7-dihydro-4H-pyrrolo[2,3-d]pyrimidin-4-one

2-Amino-7-[6-deoxy-2-C-(fluoromethyl)-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-allofuranosyl]-5-fluoro-3,7-dihydro-4H-pyrrolo[2,3-d]pyrimidin-4-one

2-Amino-7-[6-deoxy-2-C-(fluoromethyl)-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-5-C-methyl-β-D-ribo-hexofuranosyl]-3,7-dihydro-4H-pyrrolo[2,3-d]pyrimidin-4-one

2-Amino-7-[6-deoxy-2-C-(fluoromethyl)-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-allofuranosyl]-3,7-dihydro-4H-pyrrolo[2,3-d]pyrimidin-4-one

2-Amino-9-[6-deoxy-2-C-(fluoromethyl)-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-5-C-methyl-β-D-ribo-hexofuranosyl]-1,9-dihydro-6H-purin-6-one