44.下列何種官能基在生理環境下,主要呈鹼性狀態?
(A)diarylamine
(B)amidine
(C)amide
(D)nitrile
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統計: A(19), B(18), C(29), D(13), E(0) #3818679
統計: A(19), B(18), C(29), D(13), E(0) #3818679