Alias：4,4'-Diamino-[1,1'-biphenyl]-2,2'-dicarboxylic acid;[1,1'-Biphenyl]-2,2'-dicarboxylicacid, 4,4'-diamino-;4,4'-DIAMINOBIPHENYL-2,2'-DICARBOXYLIC ACID;4,4-DIAMINOBIPHENYL-2,2-DICARBOXYLIC ACID;2,2'-dicarboxybenzidine;4,4'-diamino-2,2'-diphenic acid;4,4'-diamino-diphenic acid;4,4'-Diamino-diphensaeure;4.4'-Diamino-diphenyl-dicarbonsaeure-(2.2');Benzidin-dicarbonsaeure-(2.2');2,2'-Dicarboxylic acid-4,4'-Diaminobiphenyl;5-amino-2-(4-amino-2-carboxyphenyl)benzoic acid;4,4'-Diaminobiphenyl-2,2-'dicarboxylic acid;benzidine-2,2' -dicarboxylic acid;2,2-Dicarboxylic acid-4,4-Diaminobiphenyl;4,4'-Diamino-2,2'-biphenyldicarboxylic acid;[1,1'-Biphe;4,4'-二氨基联苯-2,2'-二羧酸