Uridine, 2′-deoxy-3′,5′-di-O-ethyl-5-fluoro-3-(3-methylbenzoyl)-

Uridine, 2′-deoxy-5-fluoro-3′,5′-bis-O-[(4-methylphenyl)methyl]-3-(4-propoxybenzoyl)-

Uridine, 3-benzoyl-3′,5′-bis-O-[(2-chlorophenyl)methyl]-2′-deoxy-5-fluoro-

Uridine, 2′-deoxy-5-fluoro-3′,5′-di-O-methyl-

Uridine, 2′-deoxy-3′,5′-di-O-ethyl-5-fluoro-

Uridine, 2′-deoxy-5-fluoro-3′,5′-di-O-propyl-

Uridine, 2′-deoxy-5-fluoro-3′,5′-di-O-hexyl-

Uridine, 2′-deoxy-5-fluoro-3′,5′-bis-O-(phenylmethyl)-

Uridine, 3′,5′-bis-O-[(2-chlorophenyl)methyl]-2′-deoxy-5-fluoro-

Uridine, 2′-deoxy-5-fluoro-3′,5′-bis-O-[(4-methylphenyl)methyl]-

6-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-deoxy-β-D-erythro-pentofuranosyl]-2-(2-oxoheptyl)imidazo[1,2-c]pyrimidin-5(6H)-one

6-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-β-D-erythro-pentofuranosyl]-2-(2-oxoheptyl)imidazo[1,2-c]pyrimidin-5(6H)-one

6-(2-Deoxy-β-D-erythro-pentofuranosyl)-2-(2-oxoheptyl)imidazo[1,2-c]pyrimidin-5(6H)-one

1-β-D-Arabinofuranosyl-5-(1-azidoethenyl)-2,4(1H,3H)-pyrimidinedione

5-(1-Azidoethenyl)-1-[3,5-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-arabinofuranosyl]-2,4(1H,3H)-pyrimidinedione

5-(1-Azido-2-bromoethyl)-1-[3,5-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-arabinofuranosyl]-2,4(1H,3H)-pyrimidinedione

1-[3,5-Bis-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-arabinofuranosyl]-5-ethenyl-2,4(1H,3H)-pyrimidinedione

5-(1-Azidoethenyl)-1-(2,3,5-tri-O-acetyl-β-D-arabinofuranosyl)-2,4(1H,3H)-pyrimidinedione

5-Azido-5,6-dihydro-3-(2,3,5-tri-O-acetyl-β-D-arabinofuranosyl)furo[2,3-d]pyrimidin-2(3H)-one

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