6-Bromo-9-(2,3,5-tri-O-acetyl-β-D-arabinofuranosyl)-9H-purine

5′-Uridylic acid, mono(2-hydroxyethyl) ester

5′-Cytidylic acid, N-acetyltetrahydro-

6H-Purin-6-one, 9-(5,6-dideoxy-6-phosphono-β-D-ribo-hexofuranosyl)-1,9-dihydro-, oxime

5′-Uridylic acid, 2′-(hydrogen phosphonate)

5′-Cytidylic acid, 2′-acetate

5′-Inosinic acid, 2-methyl-6-thio-

2-Amino-1,9-dihydro-9-(5-O-phosphono-β-D-xylofuranosyl)-6H-purin-6-one

2′-Deoxyguanylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxycytidine

5′-Uridylic acid, 3′-(hydrogen phosphonate)

5′-Uridylic acid, 2′,3′-O-[[2,4-bis(dimethylamino)phenyl]methylene]-

α-L-Talofuranuronic acid, 1-deoxy-5-O-(2,3-di-O-acetyl-4-deoxy-N-phenyl-β-L-erythro-hex-4-enopyranuronamidosyl)-1-(3,4-dihydro-2,4-dioxo-1(2H)-pyrimidinyl)-3-O-methyl-, methyl ester, 2-acetate

α-L-Talofuranuronamide, 1-deoxy-5-O-[4,6-dideoxy-6-oxo-6-(1-pyrrolidinyl)-β-L-erythro-hex-4-enopyranosyl]-1-(3,4-dihydro-2,4-dioxo-1(2H)-pyrimidinyl)-3-O-methyl-

3,4-Dihydro-1-β-D-ribofuranosyl-2(1H)-pyrimidinethione

1,2,3,4-Tetrahydro-5-(1-propyn-1-yl)-1-β-D-ribofuranosylpyrimidine

Adenosine, 2′-deoxy-5′-O-phosphonocytidylyl-(3′→5′)-, 3′-[[[[[(4,5-dimethoxy-2-nitrophenyl)methoxy]carbonyl]amino]oxy]acetate]

Thymidine, thymidylyl-(3′→5′)-thymidylyloxy[2,8-bis[2-(3,4-dihydro-3,5-dimethyl-2,4-dioxo-1(2H)-pyrimidinyl)ethoxy]-5,11-dihydroxy-2,5,8,11-tetraoxido-4,6,10-trioxa-2,5,8,11-tetraphosphaundecane-1,11-diyl]-(3′→5′)-thymidylyl-(3′→5′)-

Thymidine, thymidylyl-(3′→5′)-thymidylyloxy[2,8-bis[2-(3,4-dihydro-5-methyl-2,4-dioxo-1(2H)-pyrimidinyl)ethoxy]-5,11-dihydroxy-2,5,8,11-tetraoxido-4,6,10-trioxa-2,5,8,11-tetraphosphaundecane-1,11-diyl]-(3′→5′)-thymidylyl-(3′→5′)-

2′-Deoxyadenylyloxymethylenephosphinicomethyleneoxyphosphinico-(3′→5′)-2′-deoxycytidine

Cytidine, 2′-deoxyadenylyloxymethylene[[[2-(3,4-dihydro-3,5-dimethyl-2,4-dioxo-1(2H)-pyrimidinyl)ethyl]amino]phosphinylidene]methyleneoxyphosphinico-(3′→5′)-2′-deoxy-