7-(diphenylmethylene)-9-phenyl-6-(triphenylphosphonio)-7H-benzo[7]annulen-5-olate

(2-hydroxy-5,8,8-triphenylbenzo[c]heptafulvenyl)triphenylphosphonium bromide

5-ethyl-5-methyl-2,2-diphenyl-hept-3-ynoic acid

4-(1-benzhydrylidene-3-phenyl-inden-2-yl)-phenol

2-(1-benzhydrylidene-3-phenyl-inden-2-yl)-4-methyl-phenol