pentanone

例句：

1. 1. The compound is a key intermediate in the production of pentanone.
   这种化合物是生产戊酮的关键中间体。
2. 2. The plant extract contains high levels of pentachlorophenol, which can be harmful to humans.
   这种植物提取物含有高水平的五氯酚，对人类可能有害。
3. 3. The chemical was found to have antibacterial properties, making it useful in treating infections.
   这种化学物质被发现具有抗菌特性，因此可用于治疗感染。