Ethanaminium, 2-[[19-[[1-(5-deoxy-β-D-ribofuranosyl)-5-fluoro-1,2-dihydro-2-oxo-4-pyrimidinyl]amino]-4-[4-[2-[[2-[[[[1-(5-deoxy-β-D-ribofuranosyl)-5-fluoro-1,2-dihydro-2-oxo-4-pyrimidinyl]amino]carbonyl]oxy]ethyl]dithio]ethoxy]-1,4-dioxobutoxy]-1-hydroxy-1-oxido-7,10,19-trioxo-2,6,11,18-tetraoxa-14,..

4-[[2-[[2-[[[[1-[5-Deoxy-2,3-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-ribofuranosyl]-5-fluoro-1,2-dihydro-2-oxo-4-pyrimidinyl]amino]carbonyl]amino]ethyl]dithio]ethyl]amino]-4-oxobutanoic acid

N-(Chlorocarbonyl)-5′-deoxy-2′,3′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-5-fluorocytidine

Ethanaminium, 2-[[19-[[1-(2-deoxy-2,2-difluoro-β-D-ribofuranosyl)-1,2-dihydro-2-oxo-4-pyrimidinyl]amino]-4-[4-[2-[[2-[[[[1-(2-deoxy-2,2-difluoro-β-D-ribofuranosyl)-1,2-dihydro-2-oxo-4-pyrimidinyl]amino]carbonyl]oxy]ethyl]dithio]ethoxy]-1,4-dioxobutoxy]-1-hydroxy-1-oxido-7,10,19-trioxo-2,6,11,18-tetr..

1-[2-[[2-[[[[1-[2-Deoxy-3,5-bis-O-[(1,1-dimethylethoxy)carbonyl]-2,2-difluoro-β-D-erythro-pentofuranosyl]-1,2-dihydro-2-oxo-4-pyrimidinyl]amino]carbonyl]oxy]ethyl]dithio]ethyl] butanedioate

Cytidine, N-(chlorocarbonyl)-2′-deoxy-2′,2′-difluoro-, 3′,5′-bis(1,1-dimethylethyl carbonate)

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-5-(3-methoxy-1-propynyl)-, 3′-[2-cyanoethyl N,N-bis(1-methylethyl)phosphoramidite]