1-((2R,3R,4R,5R)-3-fluoro-4-((tetrahydro-2H-pyran-2-yl)oxy)-5-(((tetrahydro-2H-pyran-2-yl)oxy)methyl)tetrahydrofuran-2-yl)-5-methylpyrimidine-2,4(1H,3H)-dione [ 910027-33-7 ]