The mass spectrometry of a number of 6-substituted coumarins was studied in the context of correlating fragmentation pathways and electronic charges of atoms performed by AM1 semiempirical method. The atomic charges of atoms are found to be good predictors of the fragmentation pathways.

中文翻译：

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香豆素的质谱研究：原子电荷与碎裂过程之间的相关性。

在通过 AM1 半经验方法执行的原子的相关碎裂途径和电子电荷的背景下研究了许多 6-取代香豆素的质谱。发现原子的原子电荷是碎裂途径的良好预测因子。