Chapter 6. loniGReactiohs mucleophilic Substitution and Elimination Reactions of Alkyl Halides 离争反一卤代烃的亲核取代 和消除反应Chapter 6 Ionic Reactions — Nucleophilic Substitution and Elimination Reactions of Alkyl Halides 离子反应 —— 卤代烃的亲核取代 和消除反应