单项选择题
邻对位定位能力由强到弱次序排列正确的是()
A.-OH>-OR>-R>-X
B.-X>-OH>-OR>-R
C.-R>-X>-OH>-OR
D.-OR>-OH>-R>-X
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单项选择题
A.-OH>-OR>-R>-X
B.-X>-OH>-OR>-R
C.-R>-X>-OH>-OR
D.-OR>-OH>-R>-X
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