11-methyldibenzo[1,2-a:1',2'-e][7]annulen-11-ol

5-bromo-5,6-dihydrodibenzo[2,1-b:2',1'-f][7]annulen-11-one

10,11-二氢二苯并[a,b]环庚烯-5-酮

5-二苯并环庚烯酮

5,6,11,12-四氢二苯并[a,e]环辛烯