A.(CH3)2CHNH2 B.(CH3)3N C.(CH3)2NCH2CH3 D.(CH3)3CNH2
A.溴水 B.茚三酮 C.甲醇 D.托倫試劑
A.(CH3)3CNH2 B.CH3CH2OH C.CH3NHCH(CH3)2 D.(CH3)2CHNH2