1. Their intermediates included benzoquinone,adjacent diphenol and hydroquinone.
   这两个反应的中间产物都是苯醌、邻苯二酚和对苯二酚;
2. charge-transfer reaction between L-threonine and tetrachloro-p-benzoquinone was observed,and the complex formed had its absorption maxima at the wavelength of 220.
   苏氨酸与四氯对苯醌发生荷移反应,建立一种测定L-苏氨酸新的光谱分析方法。

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