Uridine, 3-(2-amino-2-oxoethyl)-2′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-5-methyl-

Methyl 3-[2,5-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-ribofuranosyl]-3,6-dihydro-5-methyl-2,6-dioxo-1(2H)-pyrimidineacetate

3-(2,5-Di-O-benzoyl-β-D-ribofuranosyl)-3,6-dihydro-5-methyl-2,6-dioxo-1(2H)-pyrimidineacetic acid

3-[2,5-Bis-O-[dimethyl(1,1,2-trimethylpropyl)silyl]-β-D-ribofuranosyl]-3,6-dihydro-5-methyl-2,6-dioxo-1(2H)-pyrimidineacetic acid

Phenylmethyl 3-[2,5-bis-O-(2,2-dimethyl-1-oxopropyl)-β-D-ribofuranosyl]-3,6-dihydro-5-methyl-2,6-dioxo-1(2H)-pyrimidineacetate

3-[2,5-Bis-O-(2,2-dimethyl-1-oxopropyl)-β-D-ribofuranosyl]-3,6-dihydro-5-methyl-2,6-dioxo-1(2H)-pyrimidineacetic acid

Phenylmethyl 3-(2,5-di-O-benzoyl-β-D-ribofuranosyl)-3,6-dihydro-5-methyl-2,6-dioxo-1(2H)-pyrimidineacetate

Phenylmethyl 3-[2,5-bis-O-[dimethyl(1,1,2-trimethylpropyl)silyl]-β-D-ribofuranosyl]-3,6-dihydro-5-methyl-2,6-dioxo-1(2H)-pyrimidineacetate

Cytidine, 5-amino-2′-deoxy-5′-O-[(1,1-dimethylethyl)dimethylsilyl]-

5-Nitro-1-[(2S,5S)-tetrahydro-5-(hydroxymethyl)-2-furanyl]-2,4(1H,3H)-pyrimidinedione

4,5-Diamino-1-(2-deoxy-α-D-erythro-pentofuranosyl)-2(1H)-pyrimidinone

5-Nitro-1-[(5S)-tetrahydro-5-(hydroxymethyl)-2-furanyl]-2,4(1H,3H)-pyrimidinedione

2′,3′-Dideoxy-5-nitrouridine

4-Amino-5-nitro-1-[(2R,5S)-tetrahydro-5-(hydroxymethyl)-2-furanyl]-2(1H)-pyrimidinone

4-Amino-1-[(2R,5S)-5-[[[(1,1-dimethylethyl)dimethylsilyl]oxy]methyl]tetrahydro-2-furanyl]-5-nitro-2(1H)-pyrimidinone

4-Amino-1-[(2S,5S)-5-[[[(1,1-dimethylethyl)dimethylsilyl]oxy]methyl]tetrahydro-2-furanyl]-5-nitro-2(1H)-pyrimidinone

4-Amino-1-[(5S)-5-[[[(1,1-dimethylethyl)dimethylsilyl]oxy]methyl]tetrahydro-2-furanyl]-5-nitro-2(1H)-pyrimidinone

1-[(5S)-5-[[[(1,1-Dimethylethyl)dimethylsilyl]oxy]methyl]tetrahydro-2-furanyl]-5-nitro-2,4(1H,3H)-pyrimidinedione

4-Amino-1-(2-deoxy-α-D-erythro-pentofuranosyl)-5-nitro-2(1H)-pyrimidinone

4-Amino-1-[2-deoxy-3,5-bis-O-(4-methylbenzoyl)-D-erythro-pentofuranosyl]-5-nitro-2(1H)-pyrimidinone