piperitenone

例句：

1. 1. The piperitenone is a rare and valuable substance.
   这种物质是稀有且有价值的。
2. 2. The research team discovered new compounds with piperitenone in them.
   研究团队发现了含有piperitenone的新化合物。
3. 3. The piperitenone has been used in traditional medicine for centuries.
   piperitenone在传统医学中被使用了几个世纪。