12,12-Dimethyl-11,12-dihydroindeno[2,1-a]carbazole
7,7-Dimethyl-5,7-dihydroindeno[2,1-b]carbazole
11,11-Dimethyl-5,11-dihydroindeno[1,2-b]carbazole
2-Bromo-7,7-dimethyl-5-phenyl-5,7-dihydroindeno[2,1-b]carbazole
5,5,10,10-Tetramethyl-5,10-dihydroindeno[2,1-a]indene
