The result shows that the transition state of the rearrangement reaction has a three-membered ring structure .

结果表明，该重排反应经过一个 三 元 环过渡态。

The result shows that the Transition States of the H-transfer and Cl-transfer of the title compound are both three-membered ring structure and both products are linear molecules .

结果表明，无论是氢原子H迁移还是氯原子Cl迁移都 经过 1 个 三 元 环过渡态，生成直线型产物。

Carbonyl group on position C18 and epoxy three-membered ring on position C7 ~ C8 are the connecting parts ;

18 位上的 羰基和7～8位上的 三 元 氧 环是其 活性 的 可能结合部位；