Thymidine, 5′-O-trityl-, 3′-(hydrogen carbonate), ester with thymidine 3′-acetate

Benzamide, N-(1,2-dihydro-2-oxo-1-β-D-ribofuranosyl-4-pyridyl)-, monoacetate (ester) mono(methoxyacetate) (ester)

Guanosine, N-benzoyl-, 3′-acetate 5′-(2-methoxyacetate)

Benzamide, N-[1,2-dihydro-2-oxo-1-[2-O-(tetrahydro-4-methoxy-2H-pyran-4-yl)-β-D-ribofuranosyl]-4-pyrimidinyl]-, monoacetate (ester)

Uridine, 2′-O-(tetrahydro-4-methoxy-2H-pyran-4-yl)-, 3′-acetate

Uridine, 3′-acetate 5′-(methoxyacetate)

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

Uridine, 5′-O-(1-butoxyethyl)-, 2′-acetate 3′-(dihydrogen phosphate)

Uridine, 5′-O-(1-butoxyethyl)-, cyclic 2′,3′-(hydrogen phosphate)

Uridine, 5′-O-(1-isobutoxy-2-methylpropyl)-, 3′-(dihydrogen phosphate)

Uridine, 5′-O-(1-butoxy-2-methylpropyl)-, 3′-(dihydrogen phosphate)

Uridine, 5′-O-(1-isopropoxy-2-methylpropyl)-, 3′-(dihydrogen phosphate)

Uridine, 5′-O-(1-tert-butoxyethyl)-, 3′-(dihydrogen phosphate)