phthalazine

例句：

1. 1.Phthalazine is a pigment that is used in the production of paints and dyes.
   菲草素是一种用于生产油漆和染料的颜料。
2. 2.The 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.Phthalazine is also used in the treatment of certain skin conditions.
   菲草素还用于治疗某些皮肤状况。