问题6.6下列反应产物不同，为什么？ Br H CHs C电 C CH D c=C CH D H H Br D H C H-C-Br Br CHa H-( D H C电 H CHg H C三C CHa D H H C C Br D CH3 CH3 CH3 CH3 D Br H H H H Br D CH3 CH3 H H D CH3 C C CH3 CH3 H C C CH3 问题6.6 下列反应产物不同,为什么? H H C C Br D CH3 CH3