5′-O-[Bis(4-methoxyphenyl)phenylmethyl]-P-(2-cyanoethyl)-2′-deoxy-N-(2-methyl-1-oxopropyl)guanylyl-(3′→5′)-3′-O-[(1,1-dimethylethyl)dimethylsilyl]thymidine

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-(2-cyanoethyl)-2′-deoxy-N-[(dimethylamino)methylene]guanylyl-(3′→5′)-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-

N-Benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-(2-cyanoethyl)-2′-deoxycytidylyl-(3′→5′)-3′-O-[(1,1-dimethylethyl)dimethylsilyl]thymidine

Thymidine, N-acetyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-(2-cyanoethyl)-2′-deoxycytidylyl-(3′→5′)-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-

N-Benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-(2-cyanoethyl)-2′-deoxyadenylyl-(3′→5′)-3′-O-[(1,1-dimethylethyl)dimethylsilyl]thymidine

Guanosine, 5′-O-phosphonouridylyl-(3′→5′)-adenylyl-(3′→5′)-

Adenosine, uridylyl-(5′→3′)-, 5′-(hydrogen phosphonate)

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-, 3′-[(carboxymethoxy)acetate]

Adenosine, N-[2-[[(acetylamino)carbonyl]oxy]ethyl]-

Thymidine, 3′-(2,2-dimethylpropanoate)

Thymidine, thymidylyl-(5′→3′)-, 5′-(trihydrogen pyrophosphate)

1-(2-Deoxy-β-D-erythro-pentofuranosyl)-5,6-dihydro-4,6-bis(methoxyamino)-2(1H)-pyrimidinone

1,6-Dihydro-4-hydroxy-6-oxo-1-β-D-ribofuranosyl-2-pyridinecarboxylic acid

Adenosine, N-benzoylcytidylyl-(3′→5′)-N-benzoylcytidylyl-(3′→5′)-N-benzoyladenylyl-(3′→5′)-N-benzoylcytidylyl-(3′→5′)-N-benzoylcytidylyl-(3′→5′)-N,N-dibenzoyl-, heptabenzoate (ester)

Adenosine, N-benzoyl-2′-O-benzoylcytidylyl-(3′→5′)-N,N-dibenzoyl-, 2′,3′-dibenzoate

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

Adenosine, 2′-O-(tetrahydro-2H-pyran-2-yl)uridylyl-(3′→5′)-2′,3′-O-(ethoxymethylene)-

Adenosine 5′-(trihydrogen pyrophosphate), 5′→5′-ester with 7,8-dimethyl-2-morpholino-10-(D-ribo-2,3,4,5-tetrahydroxypentyl)benzo[g]pteridin-4(10H)-one

4-β-D-Ribofuranosyl[1,2,4]triazolo[1,5-a]pyrimidin-7(4H)-one

3-Bromo-4-hydroxy-1-(2,3,5-tri-O-benzoyl-β-D-ribofuranosyl)-2(1H)-pyridinone