42. What is the correct structure for anisole?
(A) 
(B)
(C) 
(D) 
(E)
答案:登入後查看
統計: A(0), B(3), C(1), D(0), E(0) #2055459
統計: A(0), B(3), C(1), D(0), E(0) #2055459