1-[(2R,5R)-Tetrahydro-5-methyl-2-furanyl]piperazine

6-Bromo-4-chloro-7-(2,3,5-tri-O-benzoyl-β-D-ribofuranosyl)-7H-pyrrolo[2,3-d]pyrimidine

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

Cytidine, 2′-deoxy-N-nitroso-

Uridine, 5′-S-[(2R,3S)-4-amino-2,3-dihydroxybutyl]-5′-thio-

Uridine, 5′-thio-5′-S-[(2R,3S)-2,3,4-trihydroxybutyl]-

Uridine, 5′-S-[(2R,3S)-4-[(3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)-1-piperidinyl]-2,3-dihydroxybutyl]-5′-thio-

Uridine, 5′-S-[[(4R,5S)-5-(aminomethyl)-2,2-dimethyl-1,3-dioxolan-4-yl]methyl]-2′,3′-O-(1-methylethylidene)-5′-thio-

Uridine, 5′-S-[[(4R,5S)-2,2-dimethyl-5-[[[(4-methylphenyl)sulfonyl]oxy]methyl]-1,3-dioxolan-4-yl]methyl]-2′,3′-O-(1-methylethylidene)-5′-thio-

Uridine, 5′-S-[[(4R,5S)-5-[[(3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)-1-piperidinyl]methyl]-2,2-dimethyl-1,3-dioxolan-4-yl]methyl]-2′,3′-O-(1-methylethylidene)-5′-thio-

Uridine, 5′-S-[[(4R,5S)-5-[[[(1,1-dimethylethyl)dimethylsilyl]oxy]methyl]-2,2-dimethyl-1,3-dioxolan-4-yl]methyl]-2′,3′-O-(1-methylethylidene)-5′-thio-

L-Isoleucine, 1-carboxy-1,2-ethanediyl ester, 5′-ester with 2′,3′-dideoxy-3′-fluoroguanosine

L-Valine, (1R)-1-carboxy-1,2-ethanediyl ester, 5′-ester with 2′,3′-dideoxy-3′-fluoroguanosine

L-Isoleucine, (1R)-1-carboxy-1,2-ethanediyl ester, 5′-ester with 2′,3′-dideoxy-3′-fluoroguanosine

L-Valine, N-[(phenylmethoxy)carbonyl]-, 1-carboxy-1,2-ethanediyl ester, 5′-ester with 2′,3′-dideoxy-3′-fluoroguanosine