1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-3-deoxy-3-iodo-2-O-methyl-β-D-xylofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

Thymidine, 3′-de(phosphinicooxy)-5′-O-[(1,1-dimethylethyl)diphenylsilyl]thymidylylmethyleneimino-(3′→5′)-3′-O-[(1,1-dimethylethyl)diphenylsilyl]-

Thymidine, 5′-O-[(1,1-dimethylethyl)diphenylsilyl]-, 3′-[O-(4-fluorophenyl) carbonothioate]

Thymidine, 5′-O-[(1,1-dimethylethyl)diphenylsilyl]-3′-Se-phenyl-3′-seleno-

Uridine, 3′-de(phosphinicooxy)-2′-O-methylguanylylmethylene(methylimino)-(3′→5′)-5-methyl-2′-O-methyl-

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-de(phosphinicooxy)-2′-O-methyl-N-(2-methyl-1-oxopropyl)guanylylmethylene(methylimino)-(3′→5′)-3′-O-[(1,1-dimethylethyl)diphenylsilyl]-5-methyl-2′-O-methyl-

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-de(phosphinicooxy)-5-methyl-2′-O-methyluridylylmethylene(methylimino)-(3′→5′)-5-methyl-2′-O-methyl-

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-de(phosphinicooxy)-5-methyl-2′-O-methyl-β-D-xylo-uridylylmethylene(methylimino)-(3′→5′)-5-methyl-2′-O-methyl-

Uridine, 3′-de(phosphinicooxy)-5-methyl-2′-O-methyluridylylmethylene(methylimino)-(3′→5′)-5-methyl-2′-O-methyl-

Uridine, 3′-de(phosphinicooxy)-2′-O-methyl-N-(2-methyl-1-oxopropyl)guanylylmethylene(methylimino)-(3′→5′)-3′-O-[(1,1-dimethylethyl)diphenylsilyl]-5-methyl-2′-O-methyl-

Uridine, 3′-de(phosphinicooxy)-5′-O-[(1,1-dimethylethyl)diphenylsilyl]-5-methyl-2′-O-methyluridylylmethylene(methylimino)-(3′→5′)-3′-O-[(1,1-dimethylethyl)diphenylsilyl]-5-methyl-2′-O-methyl-

Adenosine, 3′-de(phosphinicooxy)-5′-O-(triphenylmethyl)thymidylylmethyleneimino-(3′→5′)-2′-deoxy-3′-O-[(1,1-dimethylethyl)diphenylsilyl]-

Adenosine, 2′-deoxy-3′-O-[(1,1-dimethylethyl)diphenylsilyl]-5′-O-(methyleneamino)-

Guanosine, 5′-O-(1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl)-N-[(dimethylamino)methylene]-3′-O-[(1,1-dimethylethyl)diphenylsilyl]-2′-O-methyl-

Guanosine, 5′-O-(1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl)-N-[(dimethylamino)methylene]-2′-O-methyl-

Adenosine, 5′-O-(1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl)-2′-O-methyl-

Guanosine, N-[(dimethylamino)methylene]-5′-O-[(1,1-dimethylethyl)diphenylsilyl]-2′-O-methyl-

Adenosine, N-[(dimethylamino)methylene]-5′-O-[(1,1-dimethylethyl)diphenylsilyl]-2′-O-methyl-

Uridine, 5′-O-[(1,1-dimethylethyl)diphenylsilyl]-5-methyl-2′-O-methyl-

2′-Inosinic acid, 3′-thio-, 5′-(dihydrogen phosphate)