問題詳情
39. 下列分子的1H NMR 光譜數據是_________。
(A) 3.8 (1H, septet), 2.1 (3H, s), 1.0 (6H, d)
(B) 3.8 (1H, septet), 3.3 (3H, s), 1.0 (6H, d)
(C) 3.3 (3H, s), 2.6 (3H, septet), 1.0 (6H, d)
(D) 2.6 (1H, septet), 2.1 (3H, s), 1.0 (6H, d)
參考答案
答案：A
難度：適中0.538462
統計：A(14),B(7),C(1),D(1),E(0)