2.下列何藥品具有四級銨的結構?
(A)phenytoin
(B)probenecid
(C)propantheline
(D)propofol
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統計: A(613), B(338), C(1948), D(339), E(0) #1838790
統計: A(613), B(338), C(1948), D(339), E(0) #1838790