Adenosine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-3′-O-[(1R,3R,3aS)-3-[(dicyclohexylmethylsilyl)methyl]hexahydro-1H-[1,3,2]oxazaphospholo[3,4-a]pyridin-1-yl]-

Adenosine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-3′-O-[(1R,3S,3aS)-3-[(dicyclohexylmethylsilyl)methyl]hexahydro-1H-[1,3,2]oxazaphospholo[3,4-a]pyridin-1-yl]-

Adenosine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-3′-O-[(1S,3S,3aS)-hexahydro-3-[(methyldiphenylsilyl)methyl]-1H-[1,3,2]oxazaphospholo[3,4-a]pyridin-1-yl]-

Cytidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-3′-O-[(1R,3S,3aS)-hexahydro-3-methyl-3-phenyl-1H-[1,3,2]oxazaphospholo[3,4-a]pyridin-1-yl]-N-(2-methyl-1-oxopropyl)-

Cytidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-3′-O-[(1S,3S,3aS)-hexahydro-3-methyl-3-phenyl-1H-[1,3,2]oxazaphospholo[3,4-a]pyridin-1-yl]-N-(2-methyl-1-oxopropyl)-

Cytidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-O-[(2S,4S,5S)-4-cyclohexyl-3,5-dimethyl-5-phenyl-1,3,2-oxazaphospholidin-2-yl]-2′-deoxy-N-(2-methyl-1-oxopropyl)-

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

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

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