A.酸度高 B.廣譜性 C.配位比恒定 D.穩(wěn)定性高
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A.CH3CH(Br)CH2Br B.CH3CBr2CH3 C.CH3CH(Br)CBr3 D.CH3CH2CH2Br
A.CH3CH2COOH B.CH3OHCHCOOH C.CH3COCOOH D.CH3CH2OH