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

Bis[(2,2-dimethyl-1-oxopropoxy)methyl]4'-C-azido-2',3'-O-(1-methylethylidene)-2-thio-5'-uridylate

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

1-(4'-C-Azido-P-phenyl-5'-uridylyl)-L-prolineethylester

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

N-(4'-C-Azido-P-phenyl-5'-cytidylyl)-D-alanineethylester

N-(4'-C-Azido-P-phenyl-5'-cytidylyl)-D-alaninebutylester

N-(4'-C-Azido-P-phenyl-4-thio-5'-uridylyl)-Lalanine-methylethylester

L-Alanine,N-(hydroxyphenoxyphosphinyl)-,2-propylpentylester,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-leucineethylester

1-(4-C-Azido-2,5-di-O-benzoyl-3-deoxy-3-fluoro-β-D-ribofuranosyl)-4-(1H-tetrazol-1-yl)-(1H)-pyrimidinone

1-(4'-C-Azido-P-phenyl-5'-cytidylyl)-L-prolineethylester

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

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

N-(4'-C-Azido-P-phenyl-5'-uridylyl)-2-methylalanineethylester

Alanine,N-(hydroxyphenoxyphosphinyl)-2-methyl-,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'-cytidylyl)-D-alaninedodecylester

N-(4'-C-Azido-P-phenyl-5'-cytidylyl)-L-alanine-methylpropylester

1-[4-C-Azido-3-O-benzoyl-5-O-(3-chlorobenzoyl)-2-deoxy-2-fluoro-β-D-arabinofuranosyl]-5-fluoro-2,4(1H,3H)-pyrimidinedione

1-[4-C-Azido-3-O-benzoyl-5-O-(3-chlorobenzoyl)-2-deoxy-2-fluoro-β-D-arabinofuranosyl]-5-bromo-2,4(1H,3H)-pyrimidinedione