【用戶】Jason Chen
【年級】國三下
【評論內容】天然物 → 半合成 → 全合成(A)Salicin → Aspirin → Ibuprofen(B)Khellin → X → Cromolyn(C)Guaiacol → Guaifenisin → X(D)Ephedrine → Phynylpropanolamine → TetrahydeozolineAtropine → Homatropine → Glycopyrrolate