five-carbon ring naphthene

例句：

1. 1. Thiscompound is a key intermediate in the synthesisof many important chemicals.
   这种化合物是合成许多重要化学品的关键中间体。
2. 2. The five-carbon ring naphthene has beenfound to have unique properties that make ituseful in various applications.
   这种五碳环烷烃被发现具有独特的性质，使其在各种应用中具有用途。
3. 3. The discovery ofthis new compound has sparked interest inthe potential uses of five-carbon ringnaphthenes in energy storage andconversion systems.
   这种新化合物的发现激发了人们对五碳环烷烃在能源存储和转换系统中潜在用途的兴趣。