148-85-6

4,4'-Bis(4-carboxyphenyl)azobenzene 4',4'''-Azobis-biphenyl-4-carboxylic acid 4',4'''-Azobis-(biphenyl)-4-carboxylic acid 4'',4''''''-Azobis-(4-biphenylcarboxylic acid) 4',4'''-azobis[[1,1'-biphenyl]-4-carboxylic] acid 4-[4-[4-(4-carboxyphenyl)phenyl]azophenyl]benzoic acid 4-[4-[4-(4-carboxyphenyl)phenyl]diazenylphenyl]benzoic acid [1,1'-Biphenyl]-4-carboxylic acid, 4',4'''-(1,2-diazenediyl)bis-