phenones

例句：

1. 1.The molecule of benzene is a six-membered ring with six carbon atoms and six hydrogen atoms.
   苯分子是一个六元环，由六个碳原子和六个氢原子组成。
2. 2. Benzene is a colorless liquid that is used in the production of plastics and rubber.
   苯是一种无色液体，用于生产塑料和橡胶。
3. 3. Phenones are found in many natural products, such as flowers and plants.
   苯环化合物存在于许多天然产物中，如花朵和植物。