Adenosine 5′-(tetrahydrogen triphosphate), 2′-deoxy-8-iodo-

Thymidine 5′-(tetrahydrogen triphosphate), 6-bromo-

Tetrahydro-7-(phenylmethylene)-1-β-D-ribofuranosyl-2-thioxo[1,4]oxathiino[3,2-d]pyrimidine-4,6(1H,7H)-dione

Dihydro-7-(phenylmethylene)-1-β-D-ribofuranosyl[1,4]oxathiino[3,2-d]pyrimidine-2,4,6(1H,3H,7H)-trione

Tetrahydro-6-(phenylmethylene)-1-β-D-ribofuranosyl-2-thioxo[1,4]oxathiino[2,3-d]pyrimidine-4,7(1H,6H)-dione

Dihydro-6-(phenylmethylene)-1-β-D-ribofuranosyl[1,4]oxathiino[2,3-d]pyrimidine-2,4,7(1H,3H,6H)-trione

Xanthosine, 4,5-dihydro-8-[(4-methyl-2-thiazolyl)amino]-2-thio-

Xanthosine, 4,5-dihydro-8-[(4-methyl-2-thiazolyl)amino]-

Xanthosine, 4,5-dihydro-8-[methyl(4-methyl-2-thiazolyl)amino]-2-thio-

Xanthosine, 4,5-dihydro-8-[methyl(4-methyl-2-thiazolyl)amino]-

Xanthosine, 8-[(3,4-dimethyl-2(3H)-thiazolylidene)amino]-4,5-dihydro-2-thio-

Xanthosine, 8-[(3,4-dimethyl-2(3H)-thiazolylidene)amino]-4,5-dihydro-

N-[Hexahydro-1-[2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-2,4-dioxo-5-pyrimidinyl]glycine 1,1-dimethylethyl ester

N-[Hexahydro-1-[2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-2,4-dioxo-5-pyrimidinyl]glycine ethyl ester

Uridine, 5-(benzoylthio)-5,6-dihydro-2′,3′-O-(1-methylethylidene)-

Thymidine, 3′-acetate 5′-(7-oxo-7H-furo[3,2-g][1]benzopyran-2-carboxylate)

Inosine 5′-(pentahydrogen tetraphosphate), P′′′→5′-ester with inosine

(2R,3R,5R)-2,3-Dihydro-8-methyl-3-[(triphenylmethoxy)methyl]-2,5-methano-5H,7H-pyrimido[2,1-b][1,5,3]dioxazepin-7-one

1-[2-Deoxy-5-O-(methoxymethyl)-β-D-threo-pentofuranosyl]-5-fluoro-2,4(1H,3H)-pyrimidinedione

1-[2-Deoxy-5-O-(methoxymethyl)-β-D-threo-pentofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione