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

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

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

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

1-[2,6-Dideoxy-2-fluoro-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-2-methyl-5-C-methyl-β-D-ribo-hexofuranosyl]-6-ethynyl-5-fluoro-2,4(1H,3H)-pyrimidinedione

4-Amino-1-[2,6-dideoxy-2-fluoro-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-2-methyl-5-C-methyl-β-D-ribo-hexofuranosyl]-6-ethynyl-5-fluoro-2(1H)-pyrimidinone

1-[2,6-Dideoxy-2-fluoro-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-2-methyl-β-D-allofuranosyl]-6-ethynyl-5-fluoro-2,4(1H,3H)-pyrimidinedione

1-[2,6-Dideoxy-2-fluoro-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-2-methyl-α-L-talofuranosyl]-6-ethynyl-5-fluoro-2,4(1H,3H)-pyrimidinedione

4-Amino-1-[2,6-dideoxy-2-fluoro-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-2-methyl-β-D-allofuranosyl]-6-ethynyl-5-fluoro-2(1H)-pyrimidinone

4-Amino-1-[2,6-dideoxy-2-fluoro-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-2-methyl-α-L-talofuranosyl]-6-ethynyl-5-fluoro-2(1H)-pyrimidinone

1-[2,6-Dideoxy-2-fluoro-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-2-methyl-5-C-methyl-β-D-ribo-hexofuranosyl]-5-fluoro-6-methyl-2,4(1H,3H)-pyrimidinedione

4-Amino-1-[2,6-dideoxy-2-fluoro-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-2-methyl-5-C-methyl-β-D-ribo-hexofuranosyl]-5-fluoro-6-methyl-2(1H)-pyrimidinone

1-[2,6-Dideoxy-2-fluoro-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-2-methyl-β-D-allofuranosyl]-5-fluoro-6-methyl-2,4(1H,3H)-pyrimidinedione

1-[2,6-Dideoxy-2-fluoro-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-2-methyl-α-L-talofuranosyl]-5-fluoro-6-methyl-2,4(1H,3H)-pyrimidinedione

4-Amino-1-[2,6-dideoxy-2-fluoro-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-2-methyl-β-D-allofuranosyl]-5-fluoro-6-methyl-2(1H)-pyrimidinone

4-Amino-1-[2,6-dideoxy-2-fluoro-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-2-methyl-α-L-talofuranosyl]-5-fluoro-6-methyl-2(1H)-pyrimidinone