4-[4-[3,5-bis[4-(4-carboxyphenyl)phenyl]phenyl]phenyl]benzoic acid

3~5~-(4'-Carboxy[1,1'-biphenyl]-4-yl)[1~1~,2~1~:2~4~,3~1~:3~3~,4~1~:4~4~,5~1~-quinquephenyl]-1~4~,5~4~-dicarboxylic acid