Thymidine, [P(S)]-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P(O)-(4-nitrophenyl)-P-thiothymidylyl-(3′→5′)-

Thymidine, [P(R)]-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P(O)-(4-nitrophenyl)-P-thiothymidylyl-(3′→5′)-

Cytidine, [P(R)]-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P(O)-(4-nitrophenyl)-P-thiothymidylyl-(3′→5′)-N-benzoyl-2′-deoxy-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

Cytidine, [P(S)]-P-thiothymidylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-[P(S)]-P-thiothymidylyl-(3′→5′)-2′-deoxy-

Cytidine, thymidylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-[P(S)]-P-thiothymidylyl-(3′→5′)-2′-deoxy-

Thymidine, [P(S)]-P-thiothymidylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-

Thymidine, [P(R)]-P-thiothymidylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-

Adenosine, 2′,3′-O-(1-methylethylidene)-, 5′-[4,6-dichloro-3-[(E)-(2-oxo-1-phenyl-3-pyrrolidinylidene)methyl]-1H-indole-2-carboxylate]

Uridine, 2′-deoxy-5-fluoro-, 3′-[1-(1,1-dimethylethyl) (2S)-1,2-pyrrolidinedicarboxylate]

Guanosine 5′-(pentahydrogen tetraphosphate), 2′-deoxy-, P′′′→5′-ester with 2′-deoxycytidine

Cytidine 5′-(pentahydrogen tetraphosphate), 2′-deoxy-, P′′′→5′-ester with 2′-deoxycytidine

Guanosine 5′-(pentahydrogen tetraphosphate), 2′-deoxy-, P′′′→5′-ester with thymidine

Thymidine 5′-(pentahydrogen tetraphosphate), P′′′→5′-ester with 2′-deoxycytidine

Guanosine 5′-(pentahydrogen tetraphosphate), 2′-deoxy-, P′′′→5′-ester with 2′-deoxyadenosine

Adenosine 5′-(pentahydrogen tetraphosphate), 2′-deoxy-, P′′′→5′-ester with 2′-deoxycytidine

(5S)-3-(2-Deoxy-β-D-erythro-pentofuranosyl)-5-hydroxy-2,4-imidazolidinedione

(5R)-3-(2-Deoxy-β-D-erythro-pentofuranosyl)-5-hydroxy-2,4-imidazolidinedione

1-(2-Deoxy-β-D-erythro-pentofuranosyl)-4,5-dihydroxy-2-imidazolidinone

2-Amino-1,9-dihydro-9-[(1S,3R,4R,5S)-4-hydroxy-1-(hydroxymethyl)-2-oxabicyclo[3.1.0]hex-3-yl]-6H-purin-6-one

(1S,3R,4R,5S)-3-(6-Amino-9H-purin-9-yl)-4-hydroxy-2-oxabicyclo[3.1.0]hexane-1-methanol