有关C4H8O的精选大全

分子式为C4H8O的三元环同分异构体共有(不考虑立体异构)(  )A.5种                  ...
问题详情:分子式为C4H8O的三元环同分异构体共有(不考虑立体异构)()A.5种                               B.6种C.7种                               D.8...
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