true aryl nitro-compound

例句：

1. 1. The 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 study found that the presence of this compound could be linked to increased risk of cancer.
   研究发现，这种化合物的存在与癌症风险增加有关。
3. 3.The researchers are working on developing a new method to detect and prevent these compounds from entering the environment.
   研究人员正在研究开发一种新的方法来检测和预防这些化合物进入环境。