pentachloroethylbenzene

例句：

1. 1. This compound is highly toxic and should be handled with extreme caution.
   这种化合物极其有毒，应谨慎处理。
2. 2. The chemical was used in the production of pesticides, which are essential for agricultural productivity.
   这种化学物质被用于生产杀虫剂，对农业产量至关重要。
3. 3. Due to its toxicity, pentachloroethylbenzene is banned in many countries for use in household cleaning products.
   由于其毒性，五氯乙苯被许多国家禁止用于家庭清洁产品。