Uridine, 5-bromo-2′-deoxy-, 3′,5′-bis(trifluoroacetate)

Thymidine, 3′,5′-bis(trifluoroacetate)

Uracil, 1-[5′-O-(tetrahydro-2H-pyran-2-yl)-β-D-arabinofuranosyl]-

Uridine, 3′-benzamido-3′-deoxy-2′-thio-, 2′,5′-dibenzoate

Uracil, 1-[hexahydro-4-(hydroxymethyl)furo[3,4-d]thiazol-6-yl]-

Uracil, 1-[3a,4,6,6a-tetrahydro-4-(hydroxymethyl)-2-(methylthio)furo[3,4-d]thiazol-6-yl]-

Carbonic acid, methyl ester, monoester with 1-[3a,4,6,6a-tetrahydro-4-(hydroxymethyl)-2-(methylthio)furo[3,4-d]thiazol-6-yl]uracil

Uracil, 1-[3-deoxy-3-[(dithiocarboxy)amino]-β-D-arabinofuranosyl]-, methyl ester, 2′-methanesulfonate 5′-(methyl carbonate)

Uracil, 1-[3-deoxy-3-[(dithiocarboxy)amino]-β-D-arabinofuranosyl]-, methyl ester, 5′-(methyl carbonate)

Uracil, 1-[3-deoxy-3-[(dithiocarboxy)amino]-β-D-arabinofuranosyl]-, methyl ester

9-[2,5-Bis-O-(triphenylmethyl)-β-D-ribofuranosyl]-6-chloro-9H-purine

N-[1-[(2R)-3,5-Di-O-acetyl-2-deoxy-2-fluoro-2-methyl-α-D-erythro-pentofuranosyl]-1,2-dihydro-2-oxo-4-pyrimidinyl]benzamide

Thymidine, (R)-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-deoxo-P(O)-2-propenylthymidylyl-(3′→5′)-, 3′-(2-propenyl carbonate)

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-, 3′-[2-propenyl (R)-bis(1-methylethyl)phosphoramidite]

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-, 3′-[2-propenyl (S)-bis(1-methylethyl)phosphoramidite]

Thymidine, 2′-O-acetyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-de(phosphinicooxy)uridylylmethylenesulfonylmethylene-(3′→5′)-5′-deoxy-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite], (S)-

Adenosine, cyclic 3′,5′-[(7-methoxy-2-oxo-2H-1-benzopyran-4-yl)methyl phosphate]

Thymidine, (S)-P-deoxy-P-fluoro-P-thiothymidylyl-(3′→5′)-

Thymidine, P-seleno-P-thiothymidylyl-(3′→5′)-

Thymidine, (S)-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-deoxy-P-fluoro-P-thiothymidylyl-(3′→5′)-, 3′-acetate