Methyl (2R,3aR)-2,3,3a,9a-tetrahydro-3-hydroxy-2-(hydroxymethyl)-6-oxo-6H-furo[2′,3′:4,5]oxazolo[3,2-a]pyrimidine-8-carboxylate

(2R,3R,4S,5S)-2-[6-(Bicyclo[2.2.1]hept-2-ylamino)-9H-purin-9-yl]-5-[3-(1,1-dimethylethyl)-1,2,4-oxadiazol-5-yl]tetrahydro-3,4-furandiol

(2R,3R,4S,5S)-2-[6-(Bicyclo[2.2.1]hept-2-ylamino)-9H-purin-9-yl]tetrahydro-5-[5-(1-methylethyl)-1,3,4-oxadiazol-2-yl]-3,4-furandiol

(2R,3R,4S,5S)-2-[6-(Bicyclo[2.2.1]hept-2-ylamino)-9H-purin-9-yl]tetrahydro-5-(3-methyl-1,2,4-oxadiazol-5-yl)-3,4-furandiol

(2R,3R,4S,5S)-2-[6-(Bicyclo[3.2.0]hept-6-ylamino)-9H-purin-9-yl]tetrahydro-5-(3-methyl-1,2,4-oxadiazol-5-yl)-3,4-furandiol

(2R,3R,4S,5S)-2-[6-(Bicyclo[2.2.1]hept-2-ylamino)-9H-purin-9-yl]-5-[5-(1,1-dimethylethyl)-1,3,4-oxadiazol-2-yl]tetrahydro-3,4-furandiol

(2R,3R,4S,5S)-2-[6-(Bicyclo[2.2.1]hept-2-ylamino)-9H-purin-9-yl]tetrahydro-5-[3-(1-methylethyl)-1,2,4-oxadiazol-5-yl]-3,4-furandiol

(2R,3R,4S,5S)-2-[6-(Bicyclo[2.2.1]hept-2-ylamino)-9H-purin-9-yl]-5-(3-cyclopropyl-1,2,4-oxadiazol-5-yl)tetrahydro-3,4-furandiol

Guanosine, 2′-deoxy-2′-fluoro-3′,5′-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-

Cytidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-(2-methoxyethyl)-5-methyl-, 3′-acetate

Uracil, 1-β-D-lyxofuranosyl-, 5′-(hydrogen phosphonate)

Uracil, 1-β-D-lyxofuranosyl-, cyclic 2′,3′-(hydrogen phosphate)

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-[2-[2-(dimethylamino)ethoxy]ethyl]-5-methyl-, 3′-[2-cyanoethyl N,N-bis(1-methylethyl)phosphoramidite]

Uracil, 1-β-D-lyxofuranosyl-, 2′-(hydrogen phosphonate)

1-(5-O-Phosphono-β-D-lyxofuranosyl)-2,4(1H,3H)-pyrimidinedione

Uracil, 1-β-D-lyxofuranosyl-, 3′-(dihydrogen phosphate)

Uracil, 1-β-D-lyxofuranosyl-, 2′-(dihydrogen phosphate)

Uracil, 1-β-D-lyxofuranosyl-, cyclic 2′,3′-(ethyl orthoformate)

Uracil, 1-β-D-lyxofuranosyl-, cyclic 2′,3′-(ethyl orthoformate) 5′-benzoate

Inosine, 2′,3′-O-(1-methylethylidene)-, O-methyloxime