常見例句雙語例句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(huán)帶有羥基的黃酮化郃物。 返回 benzoyloxy