Carbamic acid, [2-[[1-[2,3-O-(ethoxymethylene)-β-D-ribofuranosyl]-1,4-dihydro-4-oxo-2-pyrimidinyl]amino]-2-oxo-1-(phenylmethyl)ethyl]-, 1,1-dimethylethyl ester, (S)-

Glycine, N-[(1,1-dimethylethoxy)carbonyl]-, 5′-ester with 1,1-dimethylethyl [2-[[1,4-dihydro-1-[2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-4-oxo-2-pyrimidinyl]amino]-2-oxoethyl]carbamate

Carbamic acid, [2-[[1,4-dihydro-1-[2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-4-oxo-2-pyrimidinyl]amino]-2-oxo-1-(phenylmethyl)ethyl]-, phenylmethyl ester

Acetamide, N-[1-[5-O-acetyl-2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-1,4-dihydro-4-oxo-2-pyrimidinyl]-

Thymidine, 5′-[(2E)-3-phenyl-2-propenoate]

Thymidine, 5′-(4-phenoxy-2-butenoate), (E)-

Thymidine, 5′-(4-methoxy-2-butenoate), (E)-

Thymidine, 5′-(2E)-2-butenoate

9H-Purin-6-amine, 9-(2-deoxy-3,5-O-phosphinico-α-D-erythro-pentofuranosyl)-

2,4(1H,3H)-Pyrimidinedione, dihydro-1-(3,5-O-phosphinico-α-D-ribofuranosyl)-

2(1H)-Pyrimidinone, 4-amino-1-(3,5-O-phosphinico-α-D-ribofuranosyl)-

9H-Purin-6-amine, 9-(2-O-acetyl-3,5-O-phosphinico-α-D-ribofuranosyl)-

9H-Purin-6-amine, 9-(3,5-O-phosphinico-α-D-ribofuranosyl)-

4-[[6-Amino-9-(5-O-phosphono-β-D-ribofuranosyl)-9H-purin-8-yl]amino]-2,2,6,6-tetramethyl-1-piperidinyloxy

1-Piperidinyloxy, 4-[[6-amino-9-[5-O-[hydroxy(phosphonooxy)phosphinyl]-β-D-ribofuranosyl]-9H-purin-8-yl]amino]-2,2,6,6-tetramethyl-, P′→5′-ester with 3-(aminocarbonyl)-1-β-D-ribofuranosylpyridinium, inner salt

Uridine, 3′-deoxy-, 2′-acetate 5′-benzoate

1-(2,5-Di-O-acetyl-3-chloro-3-deoxy-β-D-xylofuranosyl)-2,4(1H,3H)-pyrimidinedione

1-(2-O-Acetyl-5-O-benzoyl-3-chloro-3-deoxy-β-D-xylofuranosyl)-2,4(1H,3H)-pyrimidinedione

Uridine, 2′-chloro-2′-deoxy-, 3′-acetate 5′-benzoate

8,11-Epoxy-7H-[1,3]thiazocino[3,2-e]purine-9,10-diol, 8,9,10,11-tetrahydro-4-(methylthio)-, [8S-(8α,9α,10α,11α)]-