selenium propyl

例句：

1. 1.This compound is a key intermediate in the synthesis of selenium propyl.
   这种化合物是合成硒丙基的关键中间体。
2. 2.The research on selenium propyl has significant applications in environmental protection.
   硒丙基的研究在环境保护方面具有重要的应用价值。
3. 3.Selenium propyl is used as an antioxidant in food preservatives.
   硒丙基用作食品防腐剂的抗氧化剂。