phenanthrone

例句：

1. 1. The phenanthrone pigments are responsible for the red color of this flower.
   这种花的红色是由这种菲那红色素造成的。
2. 2.The phenanthrone compound has been found to have anti-inflammatory properties.
   这种化合物被发现具有抗炎性质。
3. 3. The phenanthrone pigments are used in the production of paints and dyes.
   这种菲那红色素被用于生产油漆和染料。