25.河豚毒素(Tetrodotoxin;TTX)的分子式為何?
(A)C10H16N3O8
(B)C11H17N3O8
(C)C12H18N3O8
(D)C13H19N3O8

答案:登入後查看
統計: A(0), B(0), C(1), D(0), E(0) #3809634