Warning: file_put_contents(/www/wwwroot/ppbbu/cp667.com/cache/e0f5fe6180a44ac1d84d25b798414358.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/cp667.com/index.php on line 55 benzoyloxy例句_benzoyloxy英汉例句_benzoyloxy双解例句_淳朴汉英词典
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。