1-(4-C-Azido-2-deoxy-2-fluoro-β-D-arabinofuranosyl)-4-[(2-furanylmethyl)amino]-2(1H)-pyrimidinone

Uridine,4'-C-azido-3'-deoxy-3'-fluoro-,5'-(3-chlorobenzoate)

4'-C-Azido-2',3',5'-tris-O-[(1,1-dimethylethyl)dimethylsilyl]-4-O-(2,6-dimethylphenyl)-2-thiouridine

1-(4-C-Azido-2,3,5-tri-O-benzoyl-β-D-arabinofuranosyl)-2,4(1H,3H)-pyrimidinedione

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

4'-C-Azido-2',3',5'-tris-O-[(1,1-dimethylethyl)dimethylsilyl]-4-O-(2,6-dimethylphenyl)uridine

4'-C-Azido-2'-deoxy-2'-fluorouridine'-(tetrahydrogentriphosphate)

N-[7-[(4β)-4-C-Azido-2-deoxy-3-O-[(1,1-dimethylethyl)dimethylsilyl]-2-fluoro-β-Dthreo-pentofuranosyl]-7H-pyrrolo[2,3-d]pyrimidin-4-yl]-2,2-dimethylpropanamide

1-[(4R,5R,7R,8R)-7-Azido-8-(benzoyloxy)-7-[(benzoyloxy)methyl]-6-oxa-1-thiaspiro[3.4]oct-5-yl]-2,4(1H,3H)-pyrimidinedione

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

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

4'-C-Azido-2'-deoxy-2'-fluoroguanosine'-(tetrahydrogentriphosphate)

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

N-(4'-C-Azido-3'-deoxy-3'-fluoro-P-phenyl-2-thio-5'-uridylyl)-L-alanine-methylethylester

Uridine,4'-C-azido-4-thio-,2',3'-dibenzoate5'-(3-chlorobenzoate)

Cytidine,4'-C-azido-N-benzoyl-,2',3',5'-tribenzoate

N-[1-(4-C-Azido-2,3,5-tri-O-benzoyl-β-Darabinofuranosyl)-,2-dihydro-2-oxo-4-pyrimidinyl]benzamide

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

N-(4'-C-Azido-P-1-naphthalenyl-5'-uridylyl)-Lalaninephenylmethylester

N-[[[(4R,5R,7R,8R)-7-Azido-5-(3,4-dihydro-2,4-dioxo-1(2H)-pyrimidinyl)-8-hydroxy-6-oxa-1-thiaspiro[3.4]oct-7-yl]methoxy]phenoxyphosphinyl]-L-alanine-methylethylester