N-Benzoyl-3′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-5′-O-[(hydroxymethoxyphosphinyl)methyl]cytidine

Thymidine, 3′-O-[bis(4-methoxyphenyl)phenylmethyl]-5′-O-[(hydroxymethoxyphosphinyl)methyl]-4-O-[2-[(4-nitrophenyl)thio]ethyl]-

1-[2-O-[Bis(4-methoxyphenyl)phenylmethyl]-3-deoxy-5-O-[[hydroxy[(4-methoxy-1-oxido-2-pyridinyl)methoxy]phosphinyl]methyl]-β-D-threo-pentofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

Uridine, 2′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-deoxy-5′-O-[[hydroxy[(4-methoxy-1-oxido-2-pyridinyl)methoxy]phosphinyl]methyl]-

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-deoxy-2′-O-[[hydroxy[(4-methoxy-1-oxido-2-pyridinyl)methoxy]phosphinyl]methyl]-

2,4(1H,3H)-Pyrimidinedione, 1-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-3-O-[[hydroxy[(4-methoxy-1-oxido-2-pyridinyl)methoxy]phosphinyl]methyl]-β-D-threo-pentofuranosyl]-5-methyl-

2,4(1H,3H)-Pyrimidinedione, 1-[3-O-[bis(4-methoxyphenyl)phenylmethyl]-5-O-[[hydroxy[(4-methoxy-1-oxido-2-pyridinyl)methoxy]phosphinyl]methyl]-β-D-threo-pentofuranosyl]-5-methyl-

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-3′-O-[[hydroxy[(4-methoxy-1-oxido-2-pyridinyl)methoxy]phosphinyl]methyl]-N-(2-methyl-1-oxopropyl)-6-O-[2-[(4-nitrophenyl)thio]ethyl]-

Adenosine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-3′-O-[[hydroxy[(4-methoxy-1-oxido-2-pyridinyl)methoxy]phosphinyl]methyl]-

Cytidine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-3′-O-[[hydroxy[(4-methoxy-1-oxido-2-pyridinyl)methoxy]phosphinyl]methyl]-

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-3′-O-[[hydroxy[(4-methoxy-1-oxido-2-pyridinyl)methoxy]phosphinyl]methyl]-4-O-[2-[(4-nitrophenyl)thio]ethyl]-

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-3′-O-[[hydroxy[(4-methoxy-1-oxido-2-pyridinyl)methoxy]phosphinyl]methyl]-

Guanosine, 3′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-5′-O-[[hydroxy[(4-methoxy-1-oxido-2-pyridinyl)methoxy]phosphinyl]methyl]-N-(2-methyl-1-oxopropyl)-6-O-[2-[(4-nitrophenyl)thio]ethyl]-

Guanosine, 3′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-5′-O-[[hydroxy[(4-methoxy-1-oxido-2-pyridinyl)methoxy]phosphinyl]methyl]-N-(2-methyl-1-oxopropyl)-6-O-[2-(4-nitrophenyl)ethyl]-

Adenosine, N-benzoyl-3′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-5′-O-[[hydroxy[(4-methoxy-1-oxido-2-pyridinyl)methoxy]phosphinyl]methyl]-

Cytidine, N-benzoyl-3′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-5′-O-[[hydroxy[(4-methoxy-1-oxido-2-pyridinyl)methoxy]phosphinyl]methyl]-

Thymidine, 3′-O-[bis(4-methoxyphenyl)phenylmethyl]-5′-O-[[hydroxy[(4-methoxy-1-oxido-2-pyridinyl)methoxy]phosphinyl]methyl]-4-O-[2-[(4-nitrophenyl)thio]ethyl]-

Thymidine, 3′-O-[bis(4-methoxyphenyl)phenylmethyl]-5′-O-[[hydroxy[(4-methoxy-1-oxido-2-pyridinyl)methoxy]phosphinyl]methyl]-

1-[2-O-[Bis(4-methoxyphenyl)phenylmethyl]-3-deoxy-5-O-[(hydroxymethoxyphosphinyl)methyl]-β-D-threo-pentofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[2-O-[Bis(4-methoxyphenyl)phenylmethyl]-3-deoxy-β-D-threo-pentofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione