4'-C-Azido-2',5'-bis-O-(triphenylmethyl)uridine

(2R,3S,3aS,9aR)-2-Azido-2,3,3a,9a-tetrahydro-3-[(tetrahydro-4-methoxy-2H-pyran-4-yl)oxy]-2-[[(tetrahydro-4-methoxy-2H-pyran-4-yl)oxy]methyl]-6H-furo[2',3':4,5]oxazolo[3,2-a]pyrimidin-6-one

Uridine,4'-C-azido-2'-deoxy-2'-fluoro-,3'-benzoate5'-(3-chlorobenzoate)

4'-C-Azido-2',3'-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-N-(2,2-dimethyl-1-oxopropyl)adenosine

1-(4-C-Azido-3,5-di-O-benzoyl-2-deoxy-2-methyl-β-D-arabinofuranosyl)-4-(1H-1,2,4-triazol-1-yl)-2(1H)-pyrimidinone

N-(4'-C-Azido-P-phenyl-5'-uridylyl)-L-alaninemethylester

1-[4-C-Azido-2-deoxy-5-O-[hydroxy[[(1S)-1-[(phenylmethoxy)carbonyl]propyl]amino]phosphinyl]-2-methyl-β-D-arabinofuranosyl]-,4(1H,3H)-pyrimidinedione

Uridine,4'-C-azido-,5'-[(2-methylphenyl)methylN-(phenylmethyl)phosphoramidate]

D-Alanine,N-(hydroxyphenoxyphosphinyl)-,butylester,5'-esterwith1-[4-C-azido-2-deoxy-2-methyl-β-D-arabinofuranosyl]-2,4(1H,3H)-pyrimidinedione

1-[4-C-Azido-2-deoxy-5-O-[[[(1S)-1-(methoxycarbonyl)propyl]amino]phenoxyphosphinyl]-2-methyl-β-D-arabinofuranosyl]-2,4(1H,3H)-pyrimidinedione

L-Alanine,N-(hydroxyphenoxyphosphinyl)-,methylester,5'-esterwith1-[4-C-azido-2-deoxy-2-methyl-β-D-arabinofuranosyl]-2,4(1H,H)-pyrimidinedione

L-Alanine,N-[(S)-hydroxyphenoxyphosphinyl]-,ethylester,5'-esterwith1-[4-C-azido-2-deoxy-2-methyl-β-D-arabinofuranosyl]-2,4(1H,H)-pyrimidinedione

L-Alanine,N-(hydroxyphenoxyphosphinyl)-,ethylester,5'-esterwith1-[4-C-azido-2-deoxy-2-methyl-β-D-arabinofuranosyl]-2,4(1H,3H)-pyrimidinedione

L-Alanine,N-(hydroxyphenoxyphosphinyl)-,propylester,5'-esterwith1-[4-C-azido-2-deoxy-2-methyl-β-D-arabinofuranosyl]-2,4(1H,H)-pyrimidinedione

L-Alanine,N-[(R)-hydroxyphenoxyphosphinyl]-,ethylester,5'-esterwith1-[4-C-azido-2-deoxy-2-methyl-β-D-arabinofuranosyl]-2,4(1H,H)-pyrimidinedione

L-Alanine,N-(hydroxyphenoxyphosphinyl)-,butylester,5'-esterwith1-[4-C-azido-2-deoxy-2-methyl-β-D-arabinofuranosyl]-2,4(1H,3H)-pyrimidinedione

N-(4'-C-Azido-P-phenyl-5'-uridylyl)-L-alaninebutylester

N-(4'-C-Azido-P-phenyl-5'-uridylyl)-L-alanineethylester

L-Alanine,N-(hydroxyphenoxyphosphinyl)-,pentylester,5'-esterwith1-[4-C-azido-2-deoxy-2-methyl-β-D-arabinofuranosyl]-2,4(1H,H)-pyrimidinedione

1-[4-C-Azido-5-O-[[[(1S)-1-(butoxycarbonyl)propyl]amino]phenoxyphosphinyl]-2-deoxy-2-methyl-β-D-arabinofuranosyl]-2,4(1H,3H)-pyrimidinedione