Isomerization occur during bromine reaction, that is mean secondary allylic configuration changes into primary allylic configuration. 在溴化反应过程中存在分子结构重排, 即溴代仲位烯丙基构型向溴代伯位烯丙基构型发生转化.
I like that least of all.我最不喜欢那个.Nobody need worry, you least of all.谁也不用担心, 尤其是你.My research owes nothing to anybody, least of all to a little runt like you.我的研究不归功于任何人，尤其不会归功于像你这样的小矮子。...