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1·The fast atom bombardment (FAB) mass spectra of free bile acids and their succinyl derivatives are described.

本文研究游离胆汁酸及其丁二酸衍生物的快速原子轰击（FAB）质谱。

2·Their thin-layer chromatogram, fluorescent spectra and fast atom bombardment mass spectra were examined to verify the completeness of the reaction and also to assign the structures.

用硅胶薄层色谱、荧光光谱及快原子轰击质谱证实反应物的完全性及其结构。