2-Amino-9-[2-amino-2,6-dideoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-2-C-1-propyn-1-yl-β-D-allofuranosyl]-1,9-dihydro-6H-purin-6-one

2-Amino-9-[2-amino-2,6-dideoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-2-C-1-propyn-1-yl-α-L-talofuranosyl]-1,9-dihydro-6H-purine-6-thione

2-Amino-9-[2-amino-2,6-dideoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-2-C-1-propyn-1-yl-α-L-talofuranosyl]-1,9-dihydro-6H-purin-6-one

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

9-[2-Amino-2-C-(2-chloroethynyl)-2,6-dideoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-allofuranosyl]-9H-purin-2-amine

2-Amino-7-[2-amino-2-C-(2-chloroethynyl)-2,6-dideoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-α-L-talofuranosyl]-5-fluoro-3,7-dihydro-4H-pyrrolo[2,3-d]pyrimidin-4-one

2-Amino-7-[2-amino-2-C-(2-chloroethynyl)-2,6-dideoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-α-L-talofuranosyl]-3,7-dihydro-4H-pyrrolo[2,3-d]pyrimidin-4-one

9-[2-Amino-2-C-(2-chloroethynyl)-2,6-dideoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-α-L-talofuranosyl]-9H-purin-2-amine

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

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

9-[2-Amino-2-C-(2-chloroethynyl)-2-deoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-ribofuranosyl]-9H-purin-2-amine

2-Amino-9-[2-amino-2-C-(2-chloroethynyl)-2,6-dideoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-allofuranosyl]-1,9-dihydro-6H-purine-6-thione

2-Amino-9-[2-amino-2-C-(2-chloroethynyl)-2,6-dideoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-allofuranosyl]-1,9-dihydro-6H-purin-6-one

2-Amino-9-[2-amino-2-C-(2-chloroethynyl)-2,6-dideoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-α-L-talofuranosyl]-1,9-dihydro-6H-purine-6-thione

2-Amino-9-[2-amino-2-C-(2-chloroethynyl)-2,6-dideoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-α-L-talofuranosyl]-1,9-dihydro-6H-purin-6-one