Warning: file_put_contents(/www/wwwroot/ppbbbu/n94.cn/cache/cdbb0f06d83223d94f069b3d9d902a3f.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%的氫氧化鈉水溶液処理帶有芳醯氧基的1，3-丙二酮衍生物可以直接得到A環帶有羥基的黃酮化郃物。