((2R,3S,5R)-5-(5-((E)-2-bromovinyl)-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)-3-hydroxytetrahydrofuran-2-yl)methyl tetrahydrogen triphosphate
((2R,3S,5R)-5-(5-((E)-2-bromovinyl)-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)-3-hydroxytetrahydrofuran-2-yl)methyl tetrahydrogen triphosphate