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【单选题】
的 IUPAC 命名是 ( )
A.
5,6- 二甲基二环 [2,2,2]-2- 辛烯
B.
2,3- 二甲基二环 [2,2,2]-5- 辛烯
C.
2,3- 二甲基二环 [2,2,0] 辛烯
D.
5,6- 二甲基二环 [2,2,2] 辛烯
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