cyclooctadiene

例句：

1. 1. This compound is a key intermediate in the synthesis of many important drugs.
   这种化合物是合成许多重要药物的关键中间体。
2. 2. The molecule has been studied extensively for its potential applications in materials science.
   这种分子已经被广泛研究，以探索其在材料科学中的可能应用。
3. 3. Cyclooctadiene is known to have unique properties that make it a valuable material for various applications.
   已知双环戊二烯具有独特的性质，使其成为各种应用中有价值的材料。