phenanthroline

例句：

1. 1.The phenanthroline was used as a coloring agent in the dyeing process.
   菲南特罗林在染色过程中用作着色剂。
2. 2.The phenanthroline compound has been found to have anti-inflammatory properties.
   菲南特罗林化合物被发现具有抗炎性质。
3. 3.The phenanthroline structure is characterized by its aromatic ring and benzene rings.
   菲南特罗林结构特征在于其芳香环和苯环。