pivaldione

例句：

1. 1.The chemical compound pivaldione is used in the treatment of certain skin conditions.
   该化合物pivaldione用于治疗某些皮肤疾病。
2. 2. Pivaldione has been shown to have anti-inflammatory properties.
   研究表明，pivaldione具有抗炎性质。
3. 3.The use of pivaldione as a preservative in cosmetics is regulated by the European Union.
   欧盟对化妆品中pivaldione作为防腐剂的使用进行了监管。