阿摩線上測驗
16. Which of the following is optically active (i.e., chiraly)?
(A)HN(CH3)2
(B)2-chlorobutane
(C)CH2CI2
(D)2-chloropropane
(E)3-chloropentane
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統計： A(1), B(1), C(0), D(1), E(0) #2788664
統計： A(1), B(1), C(0), D(1), E(0) #2788664