oxanthrone

例句：

1. 1. The pigment oxanthrone is used in the production of paints and varnishes.
   氧蒽酮颜料用于生产油漆和清漆。
2. 2.Oxanthrone is a rare compound that has been found in ancient Egyptian tombs.
   氧蒽酮是一种稀有化合物，曾在古埃及的墓穴中发现。
3. 3.The chemical properties of oxanthrone have been studied extensively for its potential applications in medicine.
   氧蒽酮的化学性质已被广泛研究，以探索其在医学上的潜在应用。