benzene polyhalide

例句：

1. 1.Benzene polyhalides are used in the synthesis of many important chemicals.
   苯基多卤化物在合成许多重要化学物质中被使用。
2. 2. The benzene polyhalides were found to have antibacterial properties.
   苯基多卤化物被发现具有抗菌性质。
3. 3. The benzene polyhalides were synthesized using a complex reaction sequence.
   苯基多卤化物通过一个复杂的反应序列合成。