英文名称
1-[(2R,4R,5R)-5-[[[(2R,3R,5R)-5-(4-amino-2-oxopyrimidin-1-yl)-2-[[[(2R,3R,5R)-5-(4-amino-2-oxopyrimidin-1-yl)-2-(hydroxymethyl)oxolan-3-yl]oxy-hydroxyphosphinothioyl]oxymethyl]oxolan-3-yl]oxy-hydroxyphosphinothioyl]oxymethyl]-4-[[(2R,3R,5R)-5-(4-amino-2-oxopyrimidin-1-yl)-3-hydroxyoxolan-2-yl]methoxy-sulfanylphosphoryl]oxyoxolan-2-yl]-5-methylpyrimidine-2,4-dione