6-(2-Methoxyphenyl)-9-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-9H-purine

6-Amino-1-(2-deoxy-β-D-erythro-pentofuranosyl)-5-nitro-2(1H)-pyridinone

Cytidine, 2′-deoxy-, 3′,5′-dibenzoate

3,4,5,6-Tetrahydro-3,6-dioxo-4-β-D-ribofuranosyl-2-pyrazinecarboxamide

3,4-Dihydro-6-hydroxy-3-oxo-4-β-D-ribofuranosyl-2-pyrazinecarboxamide

6-Bromo-3,4-dihydro-3-oxo-4-β-D-ribofuranosyl-2-pyrazinecarboxamide

Cytidine, N-benzoyl-3′-[(benzoyloxy)methyl]-2′,3′-dideoxy-, 5′-benzoate

L-Valine, 3′,5′-diester with 2′,3′-dideoxy-3′-(hydroxymethyl)cytidine

L-Phenylalanine, N-[(1,1-dimethylethoxy)carbonyl]-, 5′-ester with 2′,3′-dideoxy-3′-[[(2S)-2-[[(1,1-dimethylethoxy)carbonyl]amino]-1-oxo-3-phenylpropoxy]methyl]cytidine

L-Valine, N-[(1,1-dimethylethoxy)carbonyl]-, 5′-ester with 2′,3′-dideoxy-3′-[[(2S)-2-[[(1,1-dimethylethoxy)carbonyl]amino]-3-methyl-1-oxobutoxy]methyl]cytidine

L-Phenylalanine, N-[(1,1-dimethylethoxy)carbonyl]-, 5′-ester with 2′,3′-dideoxy-3′-[[(2S)-2-[[(1,1-dimethylethoxy)carbonyl]amino]-1-oxo-3-phenylpropoxy]methyl]-N-[(2S)-2-[[(1,1-dimethylethoxy)carbonyl]amino]-1-oxo-3-phenylpropyl]cytidine

L-Valine, N-[(1,1-dimethylethoxy)carbonyl]-, 5′-ester with 2′,3′-dideoxy-3′-[[(2S)-2-[[(1,1-dimethylethoxy)carbonyl]amino]-3-methyl-1-oxobutoxy]methyl]-N-[(2S)-2-[[(1,1-dimethylethoxy)carbonyl]amino]-3-methyl-1-oxobutyl]cytidine

L-Phenylalanine, N-[(1,1-dimethylethoxy)carbonyl]-, 5′-ester with 2′,3′-dideoxy-3′-[[(2S)-2-[[(1,1-dimethylethoxy)carbonyl]amino]-1-oxo-3-phenylpropoxy]methyl]-N-(1-methylethylidene)cytidine

L-Valine, N-[(1,1-dimethylethoxy)carbonyl]-, 5′-ester with 2′,3′-dideoxy-3′-[[(2S)-2-[[(1,1-dimethylethoxy)carbonyl]amino]-3-methyl-1-oxobutoxy]methyl]-N-(1-methylethylidene)cytidine

Cytidine, 2′,3′-dideoxy-3′-(hydroxymethyl)-N-(4-morpholinylmethylene)-

Cytidine, 2′,3′-dideoxy-N-[(hexahydro-1H-azepin-1-yl)methylene]-3′-(hydroxymethyl)-