dihydroxy benzene

例句：

1. 1. This compound is akey intermediate in the synthesis of pharmaceuticals.
   这种化合物是制药合成的关键中间体。
2. 2. Thedihydroxy benzenederivative has shown promising anticancer activity in vitro.
   该二羟基苯衍生物在体外显示出有希望的抗肿瘤活性。
3. 3. Thedihydroxy benzenestructure is found in many naturalproducts and plays a crucial role intheir biological activities.
   二羟基苯结构存在于许多天然产物中，并对其生物活性起着关键作用。