摘要:下列化合物分子中.在核磁共振谱图中能给出2种信号的是 A.CH3COOCH2CH3 B.CH3OCH3 C.CH3COOCH3 D.HCHO
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下列化合物分子中,在核磁共振谱图中能给出4种信号的是 | |
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A. |
CH3CH2 CH2 CH2CH3 |
B. |
CH3 CH2O CH2CH3 |
C. |
CH3COCH2CH2CH3 |
D. |
CH3COO CH2CH3 |