5. A compound has the molecular formula, C6H12O2. Its IR spectrum shows a strong absorption band
near 1740 cm -1； its 1H NMR spectrum consists of two singlets, at δ 1.2 and 3.6 ppm. The most likely
structure for this compound is:
(A) Isopropyl propionate
(B) Propyl propionate
(C) Ethyl isobutyrate
(D) tert-Butyl acetate
(E) Methyl pivalate
答案：E
統計：A:0,B:0,C:0,D:0,E:0
難度：計算中