6-{[{[{[5-(2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)-3,4-dihydroxytetrahydrofuran-2-yl]methoxy}(hydroxy)phosphoryl]oxy}(hydroxy)phosphoryl]oxy}-3,4,5-trihydroxytetrahydro-2H-pyran-2-carboxylic acid (non-preferred name)