• 2022-06-26
    下列化合物中没有手性的是 (E为含有手性碳的基团) ( )
    A: [img=205x149]18037f866032e90.jpg[/img]
    B: [img=171x112]18037f866b8486f.jpg[/img]
    C: [img=90x124]18037f8676bd233.jpg[/img]
    D: [img=128x140]18037f86813b3d7.jpg[/img]