branched secondary amine

例句：

1. 1.This compound is used as a catalyst in the synthesis of branched secondary amines.
   这种化合物在合成分支的次级胺时用作催化剂。
2. 2.The research on branched secondary amines has significant implications for environmental protection.
   对分支的次级胺的研究对环境保护具有重要意义。
3. 3. The production process of branched secondary amines involves complex chemical reactions.
   分支的次级胺的生产过程涉及复杂的化学反应。