59.Theophylline 之基本化學結構如下圖,其取代基為:
(A)R1=CH3, R2=R3=H
(B)R1=R2=R3=CH3
(C)R1=R2=CH3, R3=H
(D)R1=H, R2=R3=CH3
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統計: A(9), B(2), C(22), D(5), E(0) #3818774
統計: A(9), B(2), C(22), D(5), E(0) #3818774
詳解 (共 4 筆)
#7294963
要先記住咖啡因是1, 3, 7
茶鹼(Theophylline)是1, 3
可可鹼(Theobromine)是3, 7
附上兩張圖幫助記憶,若有侵權會刪除謝謝??


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