biladiene

例句：

1. 1. The compound is a key intermediate in the synthesis of biphenyl.
   这种化合物是合成二苯乙烯的关键中间体。
2. 2.Bile acids are important for maintaining liver health and can be found in bile.
   胆汁酸对于维护肝脏健康非常重要，存在于胆汁中。
3. 3. The structure of biphenyl is characterized by its planar six-membered ring.
   二苯乙烯的结构特点是其平面六元环结构。