N-(1-((2R,3R,4R,5R)-3-fluoro-4-hydroxy-5-(hydroxymethyl)-3-methyltetrahydrofuran-2-yl)-2-oxo-1,2-dihydropyrimidin-4-yl)benzamide

2'-O,4'-C-ethylene-4-N-benzoylcytidine

(+)-N4-benzoyl-1-[(1R,2R,4S)-5-O-(tert-butyldiphenylsilyl)-2,3-dideoxy-2-fluoro-2-phenylselenyl-4-thio-β-D-ribofuranosyl]-5-fluorocytosine

N4-benzoyl-1-[5-O-(tert-butyldiphenylsilyl)-2,3-dideoxy-2,3-didehydro-2-fluoro-4-thio-β-D-ribofuranosyl]cytosine

2'-O,4'-C-ethylene-4-N-benzoyl-5-methylcytidine