问题:
[单选题]在CH3CH2CH3分子的核磁共振氢谱图中,其亚甲基质子峰精细结构的强度比为哪一组数据( )
A1:3:3:1
B1:4:6:4:1
C1:5:10:10:5:1
D1:6:15:20:15:6:1
答案解析:
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