pyranyl

例句：

1. 1.The pyranyl ring is a key feature of many organic compounds.
   吡喃环是许多有机化合物的关键特征。
2. 2. Pyranyl chloride is a compound used in the production of dyes and pigments.
   吡喃氯是一种用于生产染料和颜料的化合物。
3. 3.The pyranyl group has a strong electron-withdrawing ability, which makes it useful in various chemical reactions.
   吡喃基团具有很强的电子给体能力，这使得它在各种化学反应中非常有用。