benzilonium bromide

例句：

1. 1. This compound is used as a preservative in food packaging.
   这种化合物用作食品包装的防腐剂。
2. 2. The molecule has a unique structure that makes it resistant to many chemicals.
   这个分子具有独特的结构，使其对许多化学物质都具有良好的抗性。
3. 3. Benziloniun bromide is a key intermediate in the synthesis of pharmaceuticals andpesticides.
   苯乙腈溴化物是合成医药和农药的关键中间体。