下列亲核取代反应主要按S<sub>N</sub>1机理进行的是()。

A.<img src='https://img2.soutiyun.com/ask/2020-09-22/969634127439894.png' /> B.<img src='https://img2.soutiyun.com/ask/2020-09-22/969634137712481.png' /> C.<img src='https://img2.soutiyun.com/ask/2020-09-22/969634152078303.png' /> D.<img src='https://img2.soutiyun.com/ask/2020-09-22/969634170147336.png' />

时间:2023-06-14 10:42:11

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