tetrachlorocyclopentadiene

例句：

1. 1. This compound is a key intermediate in the synthesis of many pharmaceuticals.
   这种化合物是合成许多药物的关键中间体。
2. 2.The tetrachlorocyclopentadiene molecule has been extensively studied for its unique properties.
   四氯环戊二烯分子因其独特的性质而得到了广泛的研究。
3. 3. Due to its high reactivity, tetrachlorocyclopentadiene is often used as a starting material in organic synthesis.
   由于其高反应性，四氯环戊二烯常被用作有机合成的起始原料。