triphenylethylene

例句：

1. 1. This compound is used in the production of plastics and rubber.
   这种化合物用于生产塑料和橡胶。
2. 2. Triphenylethylene is a highly reactive substance that can be used as a solvent or a catalyst.
   三苯乙烷是一种高度反应的物质，可以用作溶剂或催化剂。
3. 3. The triphenylethylene ring has a unique structure that makes it difficult to synthesize.
   三苯乙烷环具有独特的结构，这使得其难以合成。