4-Pyrimidinecarboxylic acid, 1,2,3,6-tetrahydro-1-methyl-2,6-dioxo-3-β-D-ribofuranosyl-, 3′-(dihydrogen phosphate)

1,2,3,6-Tetrahydro-2,6-dioxo-3-(3-O-phosphono-β-D-ribofuranosyl)-4-pyrimidinecarboxylic acid

Uridine, 5,6-dimethyl-, 3′-(dihydrogen phosphate)

3′-Uridylic acid, 6-methyl-

Uridine, 5-ethyl-, 3′-(dihydrogen phosphate)

Isobarbituric acid, 1-β-D-ribofuranosyl-, 3′-(dihydrogen phosphate)

Uridine, 5-(dimethylamino)-, 3′-(dihydrogen phosphate)

3′-Uridylic acid, 5-fluoro-

Uridine, 5-chloro-, 3′-(dihydrogen phosphate)

4,5-Dihydro-2-β-D-ribofuranosyl-5-thioxo-1,2,4-triazin-3(2H)-one

Thymidine, 1′-methyl-

1,2,3,6-Tetrahydro-1-methyl-2,6-dioxo-3-β-D-ribofuranosyl-4-pyrimidinecarboxylic acid

8H-Furo[2′,3′:4,5]oxazolo[3,2-a]pyrimidine-6-carboxamide, 2,3,3a,9a-tetrahydro-3-hydroxy-2-(hydroxymethyl)-8-oxo-, [2R-(2α,3β,3aβ,9aβ)]-

6H-Furo[2′,3′:4,5]oxazolo[3,2-a]pyrimidine-8-carboxamide, 2,3,3a,9a-tetrahydro-3-hydroxy-2-(hydroxymethyl)-6-oxo-, [2R-(2α,3β,3aβ,9aβ)]-

6H-Furo[2′,3′:4,5]oxazolo[3,2-a]pyrimidine-8-carboxylic acid, 2,3,3a,9a-tetrahydro-3-hydroxy-2-(hydroxymethyl)-6-oxo-, ethyl ester, [2S-(2α,3β,3aβ,9aβ)]-

Inosine, 2-fluoro-, oxime

1H-Purinium, 6,9-dihydro-7-methyl-6-oxo-9-β-D-ribofuranosyl-, inner salt

Cytidine, N-(6-chloropyrazinyl)-N-[[(6-chloropyrazinyl)(4-nitrophenyl)amino]thioxomethyl]-5-iodo-

Cytidine, 5-iodo-N-[[(4-nitrophenyl)[(4-nitrophenyl)sulfonyl]amino]thioxomethyl]-N-[(4-nitrophenyl)sulfonyl]-

Cytidine, N-[[(4-nitrophenyl)amino]carbonyl]-2-thio-