dimethyl acetophenone

例句：

1. 1.This compound is a key intermediate in the synthesis of many pharmaceuticals.
   这种化合物是合成许多药物的关键中间体。
2. 2. The chemical was used as a solvent for organic reactions.
   这种化学物用作有机反应的溶剂。
3. 3. Dimethyl acetophenone is a common component in perfumes and cosmetics.
   二甲基苯甲酮是香水和化妆品中常见的成分。