benzophenone phenylhydrazone

例句：

1. 1. Benzophenone isa common compound found in many plants andanimals.
   苯醌是一种常见的化合物，存在于许多植物和动物中。
2. 2. The chemicalstructure of this compound issimilar to that of benzene.
   这种化合物的化学结构与苯类似。
3. 3. Benzophenone is usedas a pigment in paints and plastics.
   苯醌用作油漆和塑料的颜料。