常见例句By nucleophilic addition and reductive cyclization reaction of the three intermediates, respectively, some azo-heterocyclic derivatives containing a rosinyl skeleton were obtained. 该3个中间体分别经过亲核取代、还原关环反应后，得到了一些脱氢松香酸甲酯含氮杂环衍生物； 返回 rosinyl