14.All the following groups are activating ortho, para directors when attached to a benzene ring EXCEPT O
(A)5ee32585ae03f.jpg
(B)－OCH3
(C)－C1
(D)－N(CH3)2
(E)None of these

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統計： A(1), B(0), C(2), D(0), E(1) #2348045

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ortho / para 定向 ABCD...
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