Theobromine, caffeine and theophylline are zanthine methylium derivates. They have the similar mother structure, but different on the number of replaced methylium and its place.
可可碱(Theobromine)、咖啡因(Caffeine)、茶碱(Theophylline)是黄嘌呤甲基衍生物,它们的母体结构相同,只是甲基取代基的数目和位置不同。
the sod activity and the mda level in granulosa cells were measured by the methods of zanthine hydrocarbonylation and thio-malonylurea. 4.
采用黄嘌呤氧化酶法和硫代巴比妥(TBA)法检测颗粒细胞的SOD活性和MDA含量。
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