单项选择题
A.甲胺和乙胺 B.苯胺和甲乙胺 C.苯胺和苯酚 D.乙二胺和甲乙胺
A.乙酰乙酸乙酯 B.苯胺 C.乙烷 D.乙烯
A.CH3NH2 B.CH3CH2NHCH3 C.CH3CH2NH2 D.(CH3CH2)3N
A.CH3CH2NH2〈CH3CH2OH〈CH3COOH B.CH3CH2OH〈CH3CH2NH2〈CH3COOH C.CH3COOH〈CH3CH2OH〈CH3CH2NH2 D.CH3CH2NH2〈CH3COOH〈CH3CH2OH
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