問題詳情

72.下圖為甲狀腺素共同結構式,何者為L-thyroxine?
(A)R1 = R2 = R3 = R4 = I
(B)R1 = R2 = R3 = I; R4 = H
(C)R1 = H; R2 = R3 = R4 = I
(D)R1 = R3 = I; R2 = R4 = H 5c4ea5b3247a2.jpg

參考答案

答案:A
難度:適中0.454545
統計:A(5),B(6),C(0),D(0),E(0)

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