英文名称
[(2R,3S,4R,5R)-5-(2,4-dioxopyrimidin-1-yl)-2-[[[(2R,3S,4R,5R)-5-(2,4-dioxopyrimidin-1-yl)-4-hydroxy-2-(hydroxymethyl)oxolan-3-yl]oxy-hydroxyphosphoryl]oxymethyl]-4-hydroxyoxolan-3-yl] [(2R,3S,4R,5R)-5-(3,5-dioxo-1,2,4-triazin-2-yl)-3,4-dihydroxyoxolan-2-yl]methyl hydrogen phosphate