QC182704

色甘酸钠杂质 4

Sodium Cromoglicate Impurity 4

别名：5,5'-((2-(3-((2-carboxy-4-oxo-4H-chromen-5-yl)oxy)-2-hydroxypropoxy)propane-1,3-diyl)bis(oxy))bis(4-oxo-4H-chromene-2-carboxylic acid)