• 2022-07-26
    下列化合物中,哪些属于叔胺
    A: [img=84x59]18036a7554fe4d2.bmp[/img]
    B: [img=75x54]18036a755f96f33.bmp[/img]
    C: [img=40x64]18036a756a246cd.bmp[/img]
    D: [img=103x41]18036a757482a55.bmp[/img]
  • 举一反三