1-(2,3,5-tri-O-benzoyl-β-D-ribofuranosyl)-5-fluoro-uracil

(4R,5S)-3-((2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-5-fluoro-2,6-dioxohexahydropyrimidin-4-yl acetate

1,2,3,5-四-O-乙酰基-β-D-呋喃核糖

(1-((((((2R,3S,4R,5R)-5-(5-fluoro-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)-3,4-dihydroxytetrahydrofuran-2-yl)methoxy)(hydroxy)phosphoryl)oxy)(hydroxy)phosphoryl)-1-hydroxyethyl)phosphonic acid

[3,4-bis(benzoyloxy)-5-chlorooxolan-2-yl]methyl benzoate