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
A.C6H5NHCH3甲基苯胺 B.CH3CH(CH3)CH2CH(CH3)(NH2)4-甲基-2-氨基戊烷 C.CH3CH2NH3+Cl-乙胺鹽酸鹽 D.(CH3)2NH2+OH-氫氧化二甲基胺