The samples were dissolved in dimethyl sulfoxide (DMSO) and the data were recorded by positive ion mode.No any other fragment was found except for little molecular ion which loses a chlorine atom.

• 样品溶解在二甲基亚砜中，以正离子方式记录谱图，结果发现除产生一个失去氯原子的分子离子峰外，没有任何碎片峰。