phenophenanthrazine

例句：

1. 1. The chemical compound has a distinctive blue-green color.
   这种化合物具有独特的蓝色和绿色。
2. 2. It is used in the production of dyes and pigments.
   它用于染料和颜料的生产。
3. 3. Phenophenanthrazine is a rare and valuable substance.
   Phenophenanthrazine是一种稀有且有价值的物质。