diphenyl ethylene

例句：

1. 1. This compound is a key intermediate in the production of polyesters.
   这种化合物是生产聚酯的关键中间体。
2. 2. The diphenyl ethylene polymer exhibits excellent mechanical properties.
   二苯乙烷聚合物展现出优异的机械性能。
3. 3. Due to its unique chemical structure, diphenyl ethylene has found applications in various fields.
   由于其独特的化学结构，二苯乙烷在各个领域都有应用。