短语词组短语bicyclo -ethanol 双环醇dihalogenated bicyclo -octatriene 二卤代双环cis -bicyclo 顺式双环-dimethyl -bicyclo 二甲基二环oxa -bicyclo 氧杂Caged -diphospha-bicyclo compounds 笼状双磷杂环化合物 返回 bicyclo