isometheptene

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. The molecule has a unique structure that makes it useful in various applications.
   这种分子具有独特的结构，使其在各种应用中都十分有用。
3. 3. Isoprene is a key ingredient in the production of synthetic fibers.
   异戊烯是合成纤维生产的关键成分。