1-(2-deoxy-2-fluoro-β-D-arabinofuranosyl)-4-thio-5-ethyluracil

((2R,3R,4S,5R)-3-(benzoyloxy)-5-(5-ethyl-2-oxo-4-thioxo-3,4-dihydropyrimidin-1(2H)-yl)-4-fluorotetrahydrofuran-2-yl)methyl benzoate