阿摩線上測驗
46. The formula of brevicomin, a pheremone of the western pine beetle, is shown below. What open chain ketodiol would
close to this bicyclic acetal? (ignore stereoisomer issues) 
(A) 7,8-dihydroxynonan-3-one
(B) 6,7-dihydroxynonan-3-one
(C) 7,8-dihydroxynonan-2-one
(D) 6,7-dihydroxynonan-2-one
(E) 6,7-dihydroxynonan-4-one
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統計： A(0), B(2), C(1), D(18), E(1) #1026931
統計： A(0), B(2), C(1), D(18), E(1) #1026931
