2(1H)-Pyrimidinone, 4-amino-1-(3-deoxy-3-thiocyanato-β-L-arabinofuranosyl)-

4-Amino-1-(3-bromo-3-deoxy-β-L-arabinofuranosyl)-2(1H)-pyrimidinone

4-Amino-1-(3-chloro-3-deoxy-β-L-arabinofuranosyl)-2(1H)-pyrimidinone

4-Amino-1-(3-chloro-3-deoxy-β-D-arabinofuranosyl)-2(1H)-pyrimidinone

4-Amino-1-(3-deoxy-3-iodo-β-L-arabinofuranosyl)-2(1H)-pyrimidinone

(2S,3R,5R,11S)-11-Fluoro-2,3-dihydro-8-methyl-3-[(triphenylmethoxy)methyl]-2,5-methano-5H,9H-pyrimido[2,1-b][1,5,3]dioxazepin-9-one

Uridine, 2′,3′-O-(1-methylethylidene)-5′-O-(triphenylmethyl)-, 4-oxime

5-Fluoro-1-[3-O-(methylsulfonyl)-β-D-xylofuranosyl]-2,4(1H,3H)-pyrimidinedione

1-[2,5-Di-O-acetyl-3-O-(methylsulfonyl)-β-D-xylofuranosyl]-5-fluoro-2,4(1H,3H)-pyrimidinedione

Uridine, 3′-deoxy-5-fluoro-, 2′,5′-diacetate

9-[2-O-Acetyl-3-deoxy-5-O-(methoxycarbonyl)-β-D-erythro-pentofuranosyl]-6-chloro-9H-purine

Uridine, 3′-deoxy-5-fluoro-, 2′-acetate 5′-(methyl carbonate)

1-(3-Bromo-3-deoxy-β-D-xylofuranosyl)-2,4(1H,3H)-pyrimidinedione

5′-Guanylic acid, 6-thio-, cyclic 2′,3′-(hydrogen phosphate)

Thymidine, 5′-O-[[[5-[[[(3′,6′-dihydroxy-3-oxospiro[isobenzofuran-1(3H),9′-[9H]xanthen]-5-yl)amino]thioxomethyl]amino]pentyl]amino]hydroxyphosphinyl]thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-

Thymidine, 5′-O-[[[5-[[[(3′,6′-dihydroxy-3-oxospiro[isobenzofuran-1(3H),9′-[9H]xanthen]-5-yl)amino]thioxomethyl]amino]pentyl]amino]hydroxyphosphinyl]thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-3′-amino-3′-deoxy-

3′-Uridylic acid, 2′-deoxy-6-[1-(2-deoxy-β-D-erythro-pentofuranosyl)-1,2-dihydro-5-methyl-2-oxo-4-pyrimidinyl]-5,6-dihydro-5-mercapto-, intramol. 3′,5′′′-ester, (5R,6S)-

3′-Thymidylic acid, 6-[1-(2-deoxy-β-D-erythro-pentofuranosyl)-1,2-dihydro-5-methyl-2-oxo-4-pyrimidinyl]-5,6-dihydro-, intramol. 3′,5′′′-ester, (5S,6R)-

3′-Thymidylic acid, 6-[1-(2-deoxy-β-D-erythro-pentofuranosyl)-1,2-dihydro-5-methyl-2-oxo-4-pyrimidinyl]-5,6-dihydro-, intramol. 3′,5′′′-ester, (5R,6R)-

Thymidine, P(S)-(2-cyanoethyl)-P-thiothymidylyl-(3′→5′)-, 3′-acetate