heptyl

例句：

1. 1.The compound has a heptyl group attached to its benzene ring.
   这个化合物在其苯环上有一个辛基团。
2. 2.Heptyl is a common organic compound found in petroleum.
   辛基是石油中常见的有机化合物。
3. 3. The heptyl group in this compound plays an important role in the reaction.
   在这个化合物中的辛基团在反应中起着重要作用。