4-Amino-1-[2-C-ethynyl-5-O-[(S)-[(1S)-1-methyl-2-(1-methylethoxy)-2-oxoethoxy]phenoxyphosphinyl]-β-D-ribofuranosyl]-1,3,5-triazin-2(1H)-one

2-[2-Amino-2-deoxy-2-C-(3-fluoro-1-propyn-1-yl)-5-O-[(S)-[(1S)-1-methyl-2-(1-methylethoxy)-2-oxoethoxy]phenoxyphosphinyl]-β-D-ribofuranosyl]-1,2,4-triazine-3,5(2H,4H)-dione

1-[2-Amino-2-deoxy-2-C-(3-fluoro-1-propyn-1-yl)-5-O-[(S)-[(1S)-1-methyl-2-(1-methylethoxy)-2-oxoethoxy]phenoxyphosphinyl]-β-D-ribofuranosyl]-1,3,5-triazine-2,4(1H,3H)-dione

2-[2-Amino-2-deoxy-5-O-[(S)-[(1S)-1-methyl-2-(1-methylethoxy)-2-oxoethoxy]phenoxyphosphinyl]-2-C-(1-propyn-1-yl)-β-D-ribofuranosyl]-1,2,4-triazine-3,5(2H,4H)-dione

1-[2-Amino-2-deoxy-5-O-[(S)-[(1S)-1-methyl-2-(1-methylethoxy)-2-oxoethoxy]phenoxyphosphinyl]-2-C-(1-propyn-1-yl)-β-D-ribofuranosyl]-1,3,5-triazine-2,4(1H,3H)-dione

2-[2-Amino-2-C-(2-chloroethynyl)-2-deoxy-5-O-[(S)-[(1S)-1-methyl-2-(1-methylethoxy)-2-oxoethoxy]phenoxyphosphinyl]-β-D-ribofuranosyl]-1,2,4-triazine-3,5(2H,4H)-dione

1-[2-Amino-2-C-(2-chloroethynyl)-2-deoxy-5-O-[(S)-[(1S)-1-methyl-2-(1-methylethoxy)-2-oxoethoxy]phenoxyphosphinyl]-β-D-ribofuranosyl]-1,3,5-triazine-2,4(1H,3H)-dione

2-[2-Amino-2-deoxy-2-C-ethynyl-5-O-[(S)-[(1S)-1-methyl-2-(1-methylethoxy)-2-oxoethoxy]phenoxyphosphinyl]-β-D-ribofuranosyl]-1,2,4-triazine-3,5(2H,4H)-dione

1-[2-Amino-2-deoxy-2-C-ethynyl-5-O-[(S)-[(1S)-1-methyl-2-(1-methylethoxy)-2-oxoethoxy]phenoxyphosphinyl]-β-D-ribofuranosyl]-1,3,5-triazine-2,4(1H,3H)-dione

2-[(2R)-2-Chloro-2-deoxy-2-(3-fluoro-1-propyn-1-yl)-5-O-[(S)-[(1S)-1-methyl-2-(1-methylethoxy)-2-oxoethoxy]phenoxyphosphinyl]-β-D-erythro-pentofuranosyl]-1,2,4-triazine-3,5(2H,4H)-dione

1-[(2R)-2-Chloro-2-deoxy-2-(3-fluoro-1-propyn-1-yl)-5-O-[(S)-[(1S)-1-methyl-2-(1-methylethoxy)-2-oxoethoxy]phenoxyphosphinyl]-β-D-erythro-pentofuranosyl]-1,3,5-triazine-2,4(1H,3H)-dione