3′-O-[2-(Octylamino)ethyl]thymidine

3′-O-[2-(Methylamino)ethyl]thymidine

5′-O-[Bis(4-methoxyphenyl)phenylmethyl]-3′-O-[2-[[3-[[(1,1-dimethylethoxy)carbonyl]amino]propyl]amino]ethyl]thymidine

3′-O-[2-[[3-[[4-[(3-Aminopropyl)amino]butyl]amino]propyl]amino]ethyl]-5′-O-[bis(4-methoxyphenyl)phenylmethyl]thymidine

5′-O-[Bis(4-methoxyphenyl)phenylmethyl]-3′-O-[2-[[2-(1H-imidazol-5-yl)ethyl]amino]ethyl]thymidine

5′-O-[Bis(4-methoxyphenyl)phenylmethyl]-3′-O-[2-(octylamino)ethyl]thymidine

5′-O-[Bis(4-methoxyphenyl)phenylmethyl]-3′-O-[2-(methylamino)ethyl]thymidine

1-[4-C-Azido-5-O-[[[(1S)-2-ethoxy-1-methyl-2-oxoethyl]amino]phenoxyphosphinyl]-α-L-lyxofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[4-C-Azido-5-O-[[[(1S)-1-methyl-2-(1-methylethoxy)-2-oxoethyl]amino](1-naphthalenyloxy)phosphinyl]-α-L-lyxofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[4-C-Azido-5-O-[[[(1S)-1-methyl-2-(1-methylethoxy)-2-oxoethyl]amino]phenoxyphosphinyl]-α-L-lyxofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[4-C-Azido-5-O-[[[(1S)-2-(1,1-dimethylethoxy)-1-methyl-2-oxoethyl]amino](1-naphthalenyloxy)phosphinyl]-α-L-lyxofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[4-C-Azido-5-O-[[[(1S)-2-(1,1-dimethylethoxy)-1-methyl-2-oxoethyl]amino]phenoxyphosphinyl]-α-L-lyxofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[4-C-Azido-5-O-[[[(1S)-1-methyl-2-oxo-2-(phenylmethoxy)ethyl]amino]phenoxyphosphinyl]-α-L-lyxofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[4-C-Azido-5-O-[[[(1S)-1-methyl-2-oxo-2-(2,2,2-trifluoroethoxy)ethyl]amino]phenoxyphosphinyl]-α-L-lyxofuranosyl]-2,4(1H,3H)-pyrimidinedione

1-[4-C-Azido-5-O-[[[(1S)-2-(1,1-dimethylethoxy)-1-methyl-2-oxoethyl]amino]phenoxyphosphinyl]-2,3-bis-O-(1-oxopropyl)-α-L-lyxofuranosyl]-2,4(1H,3H)-pyrimidinedione

1-[4-C-Azido-5-O-[[[(1S)-2-(1,1-dimethylethoxy)-1-methyl-2-oxoethyl]amino](1-naphthalenyloxy)phosphinyl]-2,3-bis-O-(1-oxopropyl)-α-L-lyxofuranosyl]-2,4(1H,3H)-pyrimidinedione

1-[4-C-Azido-5-O-[(2-cyanophenoxy)[[(1S)-1-methyl-2-oxo-2-(phenylmethoxy)ethyl]amino]phosphinyl]-α-L-lyxofuranosyl]-2,4(1H,3H)-pyrimidinedione

1-[4-C-Azido-5-O-[(3-cyanophenoxy)[[(1S)-1-methyl-2-oxo-2-(phenylmethoxy)ethyl]amino]phosphinyl]-α-L-lyxofuranosyl]-2,4(1H,3H)-pyrimidinedione

1-[4-C-Azido-5-O-[[[1,1-dimethyl-2-(1-methylethoxy)-2-oxoethyl]amino](1-naphthalenyloxy)phosphinyl]-α-L-lyxofuranosyl]-2,4(1H,3H)-pyrimidinedione

1-[4-C-Azido-5-O-[[(2-ethoxy-1,1-dimethyl-2-oxoethyl)amino](1-naphthalenyloxy)phosphinyl]-α-L-lyxofuranosyl]-2,4(1H,3H)-pyrimidinedione