十一员环上带有一个环氧基和一个环外双键，分子中含有两个叔羟基和一个伯羟基。
An epoxide group and an out-ring double-bond are attached to the 11-membered ring. The molecule contains one primary and two tertiary hydroxyl groups.
环外的双键的张力效应导致相反的结果。
With exocylic double bonds the effect of strain is in the opposite direction .
环外的双键的张力效应导致相反的结果。
With exocylic double bonds the effect of strain is in the opposite direction .
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