Warning: file_put_contents(/www/wwwroot/ppbbbu/n94.cn/cache/a0f86057e80d405091bc8701923dc743.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbbu/n94.cn/index.php on line 55 benzoyloxy例句_benzoyloxy英汉例句_benzoyloxy双解例句_94生活常识网有道词典
Treatment of 1,3-diketones containing benzoyloxy group in 1% aqueous sodium hydroxide can afford directly the corresponding ring-A hydroxylated flavone. 用1%的氢氧化钠水溶液处理带有芳酰氧基的1，3-丙二酮衍生物可以直接得到A环带有羟基的黄酮化合物。