6,8-Bis(2,3-dihydro-1H-indol-1-yl)-9-[2,3,5-tris-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-ribofuranosyl]-9H-purine

6-(2,3-Dihydro-1H-indol-1-yl)-8-iodo-9-β-D-ribofuranosyl-9H-purine

6-(2,3-Dihydro-1H-indol-1-yl)-8-iodo-9-[2,3,5-tris-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-ribofuranosyl]-9H-purine

6-Chloro-8-(methylthio)-9-[2,3,5-tris-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-ribofuranosyl]-9H-purine

3-[3-[(2-Aminoethyl)amino]propyl]thymidine

Thymidine, 3-(3-iodopropyl)-

Cytidine, 2′-deoxycytidylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxy-

Adenosine, 2′-deoxy-5′-O-[4-(mercaptomethyl)-2-sulfido-1,3,2-oxathiaphospholan-2-yl]-

Adenosine, 5′-O-[4-[[(3-amino-3-oxopropyl)thio]methyl]-2-sulfido-1,3,2-oxathiaphospholan-2-yl]-2′-deoxy-

Uridine, 5′-O-[4-[[(3-amino-3-oxopropyl)thio]methyl]-2-sulfido-1,3,2-oxathiaphospholan-2-yl]-2′-deoxy-

Thymidine, 5′-O-[4-[[(3-amino-3-oxopropyl)thio]methyl]-2-sulfido-1,3,2-oxathiaphospholan-2-yl]-

Adenosine, 5′-O-[4-[[(3-amino-3-oxopropyl)sulfonyl]methyl]-1,3,2-oxathiaphospholan-2-yl]-2′-deoxy-

Uridine, 5′-O-[4-[[(3-amino-3-oxopropyl)sulfonyl]methyl]-1,3,2-oxathiaphospholan-2-yl]-2′-deoxy-

Thymidine, 5′-O-[4-[[(3-amino-3-oxopropyl)sulfonyl]methyl]-1,3,2-oxathiaphospholan-2-yl]-

Adenosine, 5′-O-[4-[[(3-amino-3-oxopropyl)thio]methyl]-1,3,2-oxathiaphospholan-2-yl]-2′-deoxy-

Uridine, 5′-O-[4-[[(3-amino-3-oxopropyl)thio]methyl]-1,3,2-oxathiaphospholan-2-yl]-2′-deoxy-

Thymidine, 5′-O-[4-[[(3-amino-3-oxopropyl)thio]methyl]-1,3,2-oxathiaphospholan-2-yl]-

Uridine, 2′-deoxy-5′-O-[4-(mercaptomethyl)-2-sulfido-1,3,2-oxathiaphospholan-2-yl]-

Thymidine, 5′-O-[4-(mercaptomethyl)-2-sulfido-1,3,2-oxathiaphospholan-2-yl]-

Adenosine, 2′-deoxy-5′-O-[4-(mercaptomethyl)-2-oxido-1,3,2-oxathiaphospholan-2-yl]-