diphenyl-p-phenylenediamine

例句：

1. 1.This compound is used in the production of dyes and pigments.
   这种化合物用于生产染料和颜料。
2. 2.The diphenyl-p-phenylenediamine exhibits excellent thermal stability.
   二苯基-对苯二胺展现出极好的热稳定性。
3. 3. The diphenyl-p-phenylenediamine was synthesized using a complex reaction sequence.
   二苯基-对苯二胺是通过一个复杂的反应序列合成的。