40 Methenamine 含有幾個氮原子？
(A) 3
(B)4
(C)5
(D)6

答案：登入後查看
統計： A(6), B(28), C(11), D(8), E(0) #438858

詳解 (共 2 筆)

#836622
91-%2525E8%252597%2525A5%2525E7%252589%2
3
1
#5756770
Methenamine

1
0