Uridine, 5′-O-1,3-benzodithiol-2-yl-2′-deoxy-, 3′-(S,S-diphenyl phosphorodithioate)

5′-Adenylic acid, N-benzoyl-2′-deoxy-, mono[2-(2-pyridinyl)ethyl] ester, 3′-acetate

2-Amino-7-(2-deoxy-β-D-erythro-pentofuranosyl)-3,7-dihydro-5-nitro-4H-pyrrolo[2,3-d]pyrimidin-4-one

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

Uridine 5′-(trihydrogen diphosphate), P′-[2-(acetylamino)-2-deoxy-4-O-β-D-galactopyranosyl-D-glucopyranosyl] ester

Cytidine 5′-(trihydrogen diphosphate), P′-(3,6-dideoxy-D-arabino-hexopyranosyl) ester

2′-Deoxycytidylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxyadenosine

Thymidylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxycytidine

5-Methoxy-2-(2,3,5-tri-O-benzoyl-β-D-ribofuranosyl)-1,2,4-triazin-3(2H)-one

as-Triazin-3(2H)-one, 5-(dimethylamino)-2-β-D-ribofuranosyl-

4-Chloro-1-(2,3,5-tri-O-benzoyl-β-D-ribofuranosyl)-2(1H)-pyrimidinone

2′-Deoxyguanylyl-(3′→5′)-2′-deoxy-3′-guanylic acid

Uridine, 5′-[hydrogen (2-amino-1H-benzimidazol-1-yl)phosphonate]

Uridine, 5′-[hydrogen (2,4-dimethyl-1H-imidazol-1-yl)phosphonate]

Uridine, uridylyl-(3′→5′)-guanylyl-(3′→5′)-adenylyl-(3′→5′)-guanylyl-(3′→5′)-adenylyl-(3′→5′)-

Xanthylium, 3,6-diamino-9-[4-[[[4-[[3-[2-amino-7-[3-deoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-erythro-pentofuranosyl]-4,7-dihydro-4-oxo-1H-pyrrolo[2,3-d]pyrimidin-5-yl]-2-propenyl]oxy]butyl]amino]carbonyl]-2-carboxyphenyl]-, inner salt

Xanthylium, 3,6-diamino-9-[4-[[[2-[[3-[2-amino-7-[3-deoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-erythro-pentofuranosyl]-4,7-dihydro-4-oxo-1H-pyrrolo[2,3-d]pyrimidin-5-yl]-2-propenyl]oxy]ethyl]amino]carbonyl]-2-carboxyphenyl]-, inner salt

Xanthylium, 9-[4-[[[2-[[3-[4-amino-7-[3-deoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-erythro-pentofuranosyl]-7H-pyrrolo[2,3-d]pyrimidin-5-yl]-2-propen-1-yl]oxy]ethyl]amino]carbonyl]-2-carboxyphenyl]-3,6-bis(ethylamino)-2,7-dimethyl-, inner salt

1H,5H,11H,15H-Xantheno[2,3,4-ij:5,6,7-i‘j′]diquinolizin-18-ium, 9-[5-[[[4-[[3-[4-amino-1-[3-deoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-erythro-pentofuranosyl]-1,2-dihydro-2-oxo-5-pyrimidinyl]-2-propenyl]oxy]butyl]amino]carbonyl]-2-carboxyphenyl]-2,3,6,7,12,13,16,17-octah...

Xanthylium, 9-[5-[[[4-[[3-[4-amino-1-[3-deoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-erythro-pentofuranosyl]-1,2-dihydro-2-oxo-5-pyrimidinyl]-2-propen-1-yl]oxy]butyl]amino]carbonyl]-2-carboxyphenyl]-3,6-bis(dimethylamino)-, inner salt