phenanthridine

例句：

1. 1. The phenanthridine compound is used in the treatment of cancer.
   这种菲那啶化合物用于治疗癌症。
2. 2.Phenanthridine has been shown to have anti-inflammatory properties.
   研究表明，菲那啶具有抗炎性质。
3. 3. The phenanthridine structure is found in many natural products, including some antibiotics.
   菲那啶结构存在于许多天然产物中，包括一些抗生素。