Preliminary structure-activity analysis indicated that the existence of hydroxyl at both 6 and 8 position are imperative for the activity of flavonoid compounds.

通过对上述黄酮类化合物的构-效关系进行初步分析认为其6、8位的羟基对其活性具有重要意义。

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We have begun preliminary conversations about how do we structure a mechanism so that the legitimate claims that are going to be presented not just tomorrow, not just next week, but over the coming months, are dealt with justly, fairly, promptly.

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