Uridine, 2′-deoxy-5′-O-(p-methoxy-α,α-diphenylbenzyl)-, 3′-(hydrogen carbonate), 5′-ester with 2′,3′-O-isopropylideneuridine

Uridine, 2′,5′-bis-O-(p-methoxy-α,α-diphenylbenzyl)-, 3′-(hydrogen carbonate), 5′-ester with 2′,3′-O-isopropylideneuridine

Uridine, 2′,5′-bis-O-(p-methoxy-α,α-diphenylbenzyl)-, 3′-(2,2,2-trichloroethyl carbonate)

Thymidine, 5′-O-trityl-, 3′-(hydrogen carbonate), 5′-ester with 2′,3′-O-isopropylidenecytidine

Inosine, 2′,3′-O-isopropylidene-, 5′-(hydrogen carbonate), 3′-ester with 5′-O-tritylthymidine

Guanosine, 2′,3′-O-isopropylidene-, 5′-(hydrogen carbonate), 3′-ester with thymidine

Adenosine, 5′-(hydrogen carbonate), 3′-ester with thymidine

Adenosine, 2′,3′-O-isopropylidene-, 5′-(hydrogen carbonate), 3′-ester with thymidine

Adenosine, 2′,3′-O-isopropylidene-, 5′-(hydrogen carbonate), 3′-ester with 5′-O-tritylthymidine

Guanosine, 2′,3′-O-isopropylidene-, 5′-(2,2,2-trichloroethyl carbonate)

Adenosine, 2′,3′-O-(1-methylethylidene)-, 5′-(2,2,2-trichloroethyl carbonate)

Uridine, 5′-thio-

4,12-Epoxy-5H,8H-1,3-dioxolo[4,5-e]pyrimido[6,1-b][1,3]thiazocine-8,10(9H)-dione, 3a,4,6a,7,12,12a-hexahydro-2,2-dimethyl-8-thio-, stereoisomer

Pyrimidine, 2,4-diamino-1,2-dihydro-1-β-D-ribofuranosyl-

4(1H)-Pyrimidinone, 1-(2-deoxy-5-O-trityl-β-D-threo-pentofuranosyl)-2,5-dimethyl-

4(1H)-Pyrimidinone, 2-methyl-1-(2-O-methyl-5-O-trityl-β-D-arabinofuranosyl)-

Sulfoxonium, dimethyl-, [1,4-dihydro-1-(3-O-methyl-5-O-trityl-β-D-arabinofuranosyl)-4-oxo-2-pyrimidinyl]methylide

Furo[3,2-b]pyrimido[1,2-d][1,4]oxazin-7(5H)-one, 2,3,3a,10a-tetrahydro-3,5-dihydroxy-2-[(trityloxy)methyl]-, stereoisomer

Uridine, 5′-(hydrogen cyclohexylphosphoramidate)

6H-Furo[2′,3′:4,5]thiazolo[3,2-a]pyridine-6-thione, 2,3,3a,9a-tetrahydro-3-hydroxy-2-(hydroxymethyl)-, stereoisomer