49. Which of the following are antiaromatic?
(A)5ee31a16dddb8.jpg
(B)5ee31a2469c30.jpg
(C)5ee31a3409d31.jpg
(D)5ee31a43d9035.jpg
(E) None of the above

答案：登入後查看
統計： A(0), B(3), C(0), D(0), E(0) #2347825