Thymidine, 3′-azido-3′-deoxy-, 5′-(O-octadecyl hydrogen phosphorothioate)

5′-Thymidylic acid, 3′-azido-3′-deoxy-, monooctadecyl ester

Thymidine, 3′-azido-3′-deoxy-, 5′-(O-hexadecyl hydrogen phosphoroselenoate)

Thymidine, 3′-azido-3′-deoxy-, 5′-(O-hexadecyl hydrogen phosphorothioate)

6H-Purin-6-one, 7-(5-azido-5-deoxy-β-D-ribofuranosyl)-1,7-dihydro-

Cytidine, 5,6-dihydro-2-thio-

5,6-Dihydrocytidine

Uridine, 1-methylguanylyl-(3′→5′)-

Uridine, 2′-deoxy-5′-O-phosphonoadenylyl-(3′→5′)-5-bromo-2′-deoxy-

Cytidine, 2′-deoxy-5′-O-phosphonoinosinylyl-(3′→5′)-5-bromo-2′-deoxy-

Cytidine, 2′-deoxy-5′-O-phosphonoadenylyl-(3′→5′)-2′-deoxy-5-methyl-

Cytidine, 2′-deoxy-5′-O-phosphonoguanylyl-(3′→5′)-2′-deoxy-5-methyl-

Cytidine, 2′-deoxy-5′-O-phosphonoinosinylyl-(3′→5′)-2′-deoxy-5-methyl-

Inosine, 2-[2-(dimethylamino)methyl]-

Adenosine, 3′-[(2-amino-3-methyl-1-oxobutyl)amino]-3′-deoxy-N,N-dimethyl-, (S)-

Guanosine, P(S)-(2-cyanoethyl)-2′-O-(tetrahydro-2H-pyran-2-yl)-P-thiouridylyl-(3′→5′)-N-acetyl-2′,3′-O-(ethoxymethylene)-

Thymidine, P(S)-(2-cyanoethyl)-P-thiothymidylyl-(3′→5′)-P(S)-(2-cyanoethyl)-P-thiothymidylyl-(3′→5′)-, 3′-acetate

Sulfuric acid, methyl 2,3,3a,9a-tetrahydro-2-(hydroxymethyl)-6-imino-6H-furo[2′,3′:4,5]oxazolo[3,2-a]pyrimidin-3-yl ester, [2R-(2α,3β,3aβ,9aβ)]-

6-Methyl-1-α-D-xylofuranosyl-2,4(1H,3H)-pyrimidinedione

1-(3,5-Di-O-benzoyl-2-chloro-2-deoxy-α-D-lyxofuranosyl)-6-methyl-2,4(1H,3H)-pyrimidinedione