• 2022-06-27
    下列重氮离子进行偶联反应,哪个活性最大?
    A: [img=206x354]1803b2a75028bd1.jpg[/img]
    B: [img=180x342]1803b2a75a9c895.jpg[/img]
    C: [img=165x337]1803b2a76550b69.jpg[/img]
    D: [img=149x234]1803b2a7706e238.jpg[/img]
  • 举一反三