thiophene

例句：

1. 1.This compound is a key intermediate in the synthesis of many pharmaceuticals.
   这种化合物是合成许多药物的关键中间体。
2. 2. The molecule has a distinctive electronic structure that makes it an important component in organic electronics.
   这种分子具有独特的电子结构，使其成为有机电子学中的重要成分。
3. 3. Thiophene derivatives have been widely used in the production of dyestuffs and plastics.
   噻吩衍生物在生产染料和塑料方面得到了广泛应用。