ring ketone

例句：

1. 1.Ring ketone is a compound that has been found in certain bacteria.
   环酮是一种在某种细菌中发现的化合物。
2. 2. The ring ketone structure of the drug is important for its pharmacological activity.
   该药物的环酮结构对其药理活性至关重要。
3. 3.The ring ketone group is responsible for the acidity and reactivity of the compound.
   环酮基团负责化合物的酸性和反应性。