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会计学Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7非芳香性：像环辛四烯，环状非共轭、“4n+2”个π电子，其稳定性与开链类似物相当，是非芳香性。反芳香性：“4n+2”个π电子，环状共轭体系，其能量比开链类似物高得多，不稳定，具有反方向性。Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7Chapter7
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