环己烷的构象
椅型构象和船型构象
http://open.163.com/movie/2011/6/P/L/M82IFIORA_M82Q8FQPL.html
甲基环己烷的纽曼式
http://open.163.com/movie/2011/6/V/M/M82IFIORA_M82Q8JTVM.html
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