Cytidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-3′-O-[(3R,3aS)-3-ethenyltetrahydro-1H,3H-pyrrolo[1,2-c][1,3,2]oxazaphosphol-1-yl]-N-(2-methyl-1-oxopropyl)-

Cytidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-2′-deoxy-3′-O-[(1S,3R,3aS)-3-ethynyltetrahydro-3-methyl-1H,3H-pyrrolo[1,2-c][1,3,2]oxazaphosphol-1-yl]-N-(2-methyl-1-oxopropyl)-

Adenosine, 5′-[N-[[[(6R,7R)-2-carboxy-5-oxido-8-oxo-7-[[2-(2-thienyl)acetyl]amino]-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]methoxy]carbonyl]sulfamate]

5-[1-[2-Deoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-erythro-pentofuranosyl]-1H-imidazol-4-yl]-2,4(1H,3H)-pyrimidinedione

1-[2-Deoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-erythro-pentofuranosyl]-4-(2,4-difluorophenyl)-1H-imidazole

3-[1-[2-Deoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-erythro-pentofuranosyl]-1H-imidazol-4-yl]benzenamine

1-[2-Deoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-erythro-pentofuranosyl]-4-iodo-1H-imidazole

1-(2-Deoxy-3,5-di-O-phosphono-β-D-erythro-pentofuranosyl)-4-iodo-1H-imidazole

1-(2-Deoxy-5-O-phosphono-β-D-erythro-pentofuranosyl)-4-iodo-1H-imidazole

2-Amino-7-[2-deoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-erythro-pentofuranosyl]-5-(1,6-heptadiyn-1-yl)-3,7-dihydro-4H-pyrrolo[2,3-d]pyrimidin-4-one

2′-Deoxy-5-(1,6-heptadiyn-1-yl)cytidine 5′-(tetrahydrogen triphosphate)

2′-Deoxy-5-(2,7-octadiyn-1-yl)uridine 5′-(tetrahydrogen triphosphate)

7-[2-Deoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-erythro-pentofuranosyl]-5-(1,6-heptadiyn-1-yl)-7H-pyrrolo[2,3-d]pyrimidine-2,4-diamine