阿摩線上測驗
15. What is the coupling constant for the Ha and Hb protons in the 1
H NMR spectra of the following compound? 
(A) 0 Hz
(B) 3 Hz
(C) 7 Hz
(D) 10 Hz
(E) 15 Hz
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統計： A(0), B(0), C(3), D(2), E(12) #941839
統計： A(0), B(0), C(3), D(2), E(12) #941839
