(2R,3R,4S,5S,6R)-2-((1-((3-((2R,4S,5R)-4-acetoxy-5-(acetoxymethyl)tetrahydrofuran-2-yl)-2-oxo-2,3-dihydrofuro[2,3-d]pyrimidin-6-yl)methyl)-1H-1,2,3-triazol-4-yl)methoxy)-6-(acetoxymethyl)tetrahydro-2H-pyran-3,4,5-triyl triacetate