阿摩線上測驗
33. Which of these substances have a meso form, respectively?
(1)2, 3-Dibromobutane,(2)2, 3-Dibromopentane, (3)2, 4-Dibromopentane.
(A)1, 2
(B)1, 3
(C)2
(D)2, 3
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統計： A(0), B(5), C(0), D(0), E(0) #2275879
統計： A(0), B(5), C(0), D(0), E(0) #2275879