• 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]1802ff1acf0ba63.jpg[/img]
    B: [img=171x112]1802ff1ad9ec10c.jpg[/img]
    C: [img=90x124]1802ff1ae527718.jpg[/img]
    D: [img=128x140]1802ff1aef45731.jpg[/img]