dimethylphenylene diamine

例句：

1. 1. This compound is used in the production of plastics and other polymers.
   这种化合物用于生产塑料和其他聚合物。
2. 2. The chemical properties of this compound have been thoroughly studied.
   这种化合物的化学性质已经彻底研究过。
3. 3. The dimethylphenylene diamine has been found to be a useful intermediate in the synthesis of certain drugs.
   二甲基苯基二胺被发现是某些药物合成中的一种有用的中间体。