12. Consider the branched hydrocarbon to the right. Which of the following would not be a prominent peak in the mass spectrum of this compound?  
(A) m/z = 43
(B) m/z = 57
(C) m/z = 99
(D) m/z = 113
(E) m/z = 43 and m/z = 99

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統計: A(3), B(3), C(4), D(15), E(0) #1026897

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