Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-de(phosphincooxy)thymidylyl-2H-tetrazole-5,2-diyl-(3′→5′)-5′-deoxy-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-de(phosphinicooxy)thymidylyl-2H-tetrazole-5,2-diyl-(3′→5′)-5′-deoxy-

Thymidine, 5′-O-acetyl-3′-de(phosphinicooxy)thymidylyl-2H-tetrazole-5,2-diyl-(3′→5′)-5′-deoxy-

Thymidine, 3′-de(phosphinicooxy)-5′-O-(triphenylmethyl)thymidylyl-2H-tetrazole-5,2-diyl-(3′→5′)-5′-deoxy-

Thymidine, 3′-deoxy-3′-(1H-tetrazol-5-yl)-

Thymidine, 3′-deoxy-3′-(1H-tetrazol-5-yl)-5′-O-(triphenylmethyl)-

4,6-Difluoro-1-β-D-ribofuranosyl-2(1H)-pyrimidinone

Cytidine, 5′-(trihydrogen imidodiphosphate)

Uridine, 5′-(trihydrogen imidodiphosphate)

Cytidine, 5′-(P,P′,P′′,P′′-tetrahydrogen imidotriphosphate)

Uridine, 5′-(P,P′,P′′,P′′-tetrahydrogen imidotriphosphate)

Guanosine, 5′-(P,P′,P′′,P′′-tetrahydrogen imidotriphosphate)

5′-Thymidylic acid, monoanhydride with phosphorothioic acid

5′-Cytidylic acid, anhydride with phosphorothioic acid (1:1)

1H-1,2,4-Triazole-5-carbothioamide, 1-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-

1-(2,3,5-Tri-O-acetyl-β-D-ribofuranosyl)-1H-1,2,4-triazole-5-carbonitrile

1-β-D-Ribofuranosyl-1H-1,2,4-triazole-5-carbothioamide

1-β-D-Ribofuranosyl-1H-1,2,4-triazole-3-carboximidic acid hydrazide

β-D-ribo-Hexofuranuronic acid, 1,5-dideoxy-1-(3,4-dihydro-2,4-dioxo-1(2H)-pyrimidinyl)-, phenylmethyl ester, cyclic 2,3-carbonothioate

β-D-ribo-Hexofuranuronic acid, 1,5-dideoxy-1-(3,4-dihydro-2,4-dioxo-1(2H)-pyrimidinyl)-, phenylmethyl ester