triphenylphosphine oxide

例句：

1. 1. This compound is used in the synthesis of triphenylphosphine oxide.
   这种化合物用于合成三苯基膦氧化物。
2. 2. The molecule has a complex structure, involving multiple functional groups.
   这个分子结构复杂，包含了多个功能团。
3. 3. Triphenylphosphine oxide is a key intermediate in the production of phosphorus compounds.
   三苯基膦氧化物是生产磷化合物的关键中间体。