43. Protons Ha and Hb in the following compound are?
CH3
Ha Hb CH3
(A) homotopic
(B) enantiotopic
(C) diastereotopic
(D) mesotopic
(E) None of the above
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統計: A(1), B(23), C(9), D(0), E(0) #937852
統計: A(1), B(23), C(9), D(0), E(0) #937852