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利用红外光谱，核磁共振波谱对一种未知化合物的结构进行了研究分析，证明是酞酰苯胺酸。这对研究该物质的生物活性及生化机理将十分有益。
The structure of an unknown compound was studied by IR and 1H NMR and proved to be phthalide. This study of the biological activity of the material and biochemical mechanisms will be very useful.