英文名称
tributyl-[3-[(2E)-2-[3-[(2R,3S,5R)-2-[[[(2R,3S,5R)-4-[tert-butyl(dimethyl)silyl]oxy-5-(2,4-dioxopyrimidin-1-yl)-2-ethyloxolan-3-yl]oxy-methylphosphoryl]oxymethyl]-5-(2,4-dioxopyrimidin-1-yl)-4-tri(propan-2-yl)silyloxyoxolan-3-yl]oxy-3-oxopropylidene]-5-oxopyrrolidin-1-yl]propyl]phosphanium