6-Chloro-9-(3,5-di-O-benzoyl-2-deoxy-2-fluoro-β-L-arabinofuranosyl)-9H-purine

Thymidylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxyadenosine

Thymidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyadenosine

Adenosine, N-allyl-5′-chloro-5′-deoxy-

Guanosine, cytidylyl-(3′→5′)-, cyclic 2′,3′-(hydrogen phosphate)

Thymidine, 5′-(p-nitrobenzenesulfonate)

Adenosine 5′-(tetrahydrogen triphosphate), 8-[(6-aminohexyl)amino]-, P′′→5′-ester with 3-(aminocarbonyl)-1-β-D-ribofuranosylpyridinium, inner salt

Adenosine 5′-(tetrahydrogen triphosphate), 8-[(6-aminohexyl)amino]-1-β-D-ribofuranosyl-, intramol. P′′,5′′-ester

Uridine, 2′-deoxy-5-[3-oxo-3-[[4-(10,15,20-tri-4-pyridinyl-21H,23H-porphin-5-yl)phenyl]amino]-1-propenyl]-

(2R,3R,3aR,9aS)-2-[[Bis(4-methoxyphenyl)phenylmethoxy]methyl]-2,3,3a,9a-tetrahydro-3-hydroxy-6H-furo[2′,3′:4,5]oxazolo[3,2-a]pyrimidin-6-one

Cytidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-5-(1-butynyl)-2′-O-methyl-, 3′-(hydrogen phosphonate)

Cytidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-5-(1-butynyl)-2′-O-methyl-, 3′-(2-cyanoethyl 4-morpholinylphosphonite)

Cytidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-5-(1-butynyl)-2′-O-methyl-, 3′-(2-cyanoethyl diethylphosphoramidite)

Cytidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-5-(1-butynyl)-2′-O-methyl-, 3′-(2-cyanoethyl dimethylphosphoramidite)

Cytidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-5-(1-butynyl)-2′-O-methyl-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

Cytidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-5-(1-butynyl)-2′-deoxy-, 3′-(hydrogen phosphonate)

Cytidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-5-(1-butynyl)-2′-deoxy-, 3′-(2-cyanoethyl 4-morpholinylphosphonite)

Cytidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-5-(1-butynyl)-2′-deoxy-, 3′-(2-cyanoethyl diethylphosphoramidite)