The molecule is a 5-hydroxyuridine 5'-monophosphate that results from the removal of two protons from the phosphate group; major species at pH 7.3.
[(2R,3S,4R,5R)-3,4-dihydroxy-5-(5-hydroxy-2,4-dioxopyrimidin-1-yl)oxolan-2-yl]methyl phosphate