2(1H)-Pyrimidinone, 4-amino-1-[3,5-O-[1,1,3,3-tetrakis(1,1-dimethylethyl)-1,3-disiloxanediyl]-β-D-arabinofuranosyl]-

2(1H)-Pyrimidinone, 4-amino-1-[3,5-O-(1,1,3,3-tetraethyl-1,3-disiloxanediyl)-β-D-arabinofuranosyl]-

2(1H)-Pyrimidinone, 4-amino-1-[3,5-O-(1,1,3,3-tetramethyl-1,3-disiloxanediyl)-β-D-arabinofuranosyl]-

4-Amino-1-[3,5-O-(diphenylsilylene)-β-D-arabinofuranosyl]-2(1H)-pyrimidinone

4-Amino-1-[3,5-O-[bis(1,1-dimethylethyl)silylene]-β-D-arabinofuranosyl]-2(1H)-pyrimidinone

4-Amino-1-[3,5-O-(diethylsilylene)-β-D-arabinofuranosyl]-2(1H)-pyrimidinone

4-Amino-1-[3,5-O-(dimethylsilylene)-β-D-arabinofuranosyl]-2(1H)-pyrimidinone

Guanosine, cytidylyl-(3′→5′)-guanylyl-(3′→4′)-8,9-didehydro-9-de-β-D-ribofuranosyl-7,8-dihydro-9-[[(3R,4R)-3-hydroxy-4-(hydroxymethyl)-1-pyrrolidinyl]methyl]-8-aza-9-deazaadenylyl-(3′→5′)-guanylyl-(3′→5′)-adenylyl-(3′→5′)-

Adenosine, guanylyl-(3′→4′)-8,9-didehydro-9-de-β-D-ribofuranosyl-7,8-dihydro-9-[[(3R,4R)-3-hydroxy-4-(hydroxymethyl)-1-pyrrolidinyl]methyl]-8-aza-9-deazaadenylyl-(3′→5′)-guanylyl-(3′→5′)-

Pyridinium, 3-(aminocarbonyl)-1-[5-O-[hydroxy(phosphonooxy)phosphinyl]-β-D-ribofuranosyl]-, inner salt, P′→5′-ester with 9-β-D-xylofuranosyl-9H-purin-6-amine

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

Adenosine, thymidylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxy-

Cytidine, 2′-deoxy-2′,2′-difluoro-3′,5′-O-(1,1,3,3-tetraphenyl-1,3-disiloxanediyl)-

Cytidine, 2′-deoxy-2′,2′-difluoro-3′,5′-O-[1,1,3,3-tetrakis(1,1-dimethylethyl)-1,3-disiloxanediyl]-

Cytidine, 2′-deoxy-2′,2′-difluoro-3′,5′-O-(1,1,3,3-tetraethyl-1,3-disiloxanediyl)-

Cytidine, 2′-deoxy-2′,2′-difluoro-3′,5′-O-(1,1,3,3-tetramethyl-1,3-disiloxanediyl)-

Cytidine, 2′-deoxy-3′,5′-O-(diphenylsilylene)-2′,2′-difluoro-

Cytidine, 3′,5′-O-[bis(1,1-dimethylethyl)silylene]-2′-deoxy-2′,2′-difluoro-

Cytidine, 2′-deoxy-3′,5′-O-(diethylsilylene)-2′,2′-difluoro-

Cytidine, 2′-deoxy-3′,5′-O-(dimethylsilylene)-2′,2′-difluoro-