2-[2-[5,6-Dichloro-1-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-1H-benzimidazol-2-yl]ethyl]-1H-isoindole-1,3(2H)-dione

Guanosine, 2′,3′-dideoxy-3′-[(3-methyl-1-oxobutyl)amino]-N-(triphenylmethyl)-

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-N-(2-methyl-1-oxopropyl)guanylyl-(3′→5′)-, 3′-(4-oxopentanoate)

Thymidine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxycytidylyl-(3′→5′)-, 3′-(4-oxopentanoate)

Adenosine, thymidylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxy-

Cytidine, N-benzoyl-3′-C-ethynyl-4′-C-[[(methylsulfonyl)oxy]methyl]-, 2′-acetate 5′-methanesulfonate

Uridine, 3′-C-ethynyl-4′-C-[[(methylsulfonyl)oxy]methyl]-, 2′-acetate 5′-methanesulfonate

4-Hydroxy-1-(2,3,5-tri-O-acetyl-3-C-ethynyl-β-D-ribofuranosyl)-2(1H)-pyridinone

Cytidine, 3′-C-ethynyl-, 2′,3′,5′-triacetate

(4Z)-3,4-Dihydro-4-(2-oxopropylidene)-1-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-2(1H)-pyrimidinone

(4Z)-1-(3,5-Di-O-acetyl-2-deoxy-β-D-erythro-pentofuranosyl)-3,4-dihydro-4-(2-oxopropylidene)-2(1H)-pyrimidinone

2(1H)-Pyrimidinone, 1-[2-deoxy-3,5-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-β-D-erythro-pentofuranosyl]-3,4-dihydro-5-methyl-4-(2-oxopropylidene)-, (4Z)-

(4Z)-1-(3,5-Di-O-acetyl-2-deoxy-β-D-erythro-pentofuranosyl)-3,4-dihydro-5-methyl-4-(2-oxopropylidene)-2(1H)-pyrimidinone

Acetic acid, [2,3-dihydro-2-oxo-1-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-4(1H)-pyrimidinylidene]-, ethyl ester, (2Z)-

Acetic acid, [1-(3,5-di-O-acetyl-2-deoxy-β-D-erythro-pentofuranosyl)-2,3-dihydro-2-oxo-4(1H)-pyrimidinylidene]-, ethyl ester, (2Z)-

Acetic acid, [1-[2-deoxy-3,5-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-β-D-erythro-pentofuranosyl]-2,3-dihydro-5-methyl-2-oxo-4(1H)-pyrimidinylidene]-, ethyl ester, (2Z)-

Acetic acid, [1-(3,5-di-O-acetyl-2-deoxy-β-D-erythro-pentofuranosyl)-2,3-dihydro-5-methyl-2-oxo-4(1H)-pyrimidinylidene]-, ethyl ester, (2Z)-

Acetic acid, cyano[2,3-dihydro-2-oxo-1-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-4(1H)-pyrimidinylidene]-, ethyl ester, (2Z)-

Acetic acid, cyano[1-(3,5-di-O-acetyl-2-deoxy-β-D-erythro-pentofuranosyl)-2,3-dihydro-2-oxo-4(1H)-pyrimidinylidene]-, ethyl ester, (2Z)-

Acetic acid, cyano[1-[2-deoxy-3,5-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-β-D-erythro-pentofuranosyl]-2,3-dihydro-5-methyl-2-oxo-4(1H)-pyrimidinylidene]-, ethyl ester, (2Z)-