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同分异构体问题是高考热点,也是有机化学的重点和难点,解答相关问题时若能运用不饱和度,不仅快速、准确,而且能避免遗漏,可收
The problem of isomers is a hot spot for college entrance examinations. It is also an important and difficult point for organic chemistry. If unsaturation can be used when answering related questions, it is not only fast and accurate, but also can avoid omissions.