4 下列那些屬於二級胺(secondary amines)?
I:(CH3)3CNHCH3,II:CH3CH(NH2)CH2CH3,III:CH3CH2CH2NHCH3,
IV:CH3CH2CH2CH2CH2NH2
(A) I, II
(B) I, III
(C) I, II, III
(D) I, II, III, IV
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統計: A(0), B(35), C(9), D(0), E(0) #2687594
統計: A(0), B(35), C(9), D(0), E(0) #2687594