Synonyms: 2,2'-Bicinchoninicacid, disodium salt (7CI,8CI);[2,2'-Biquinoline]-4,4'-dicarboxylic acid,disodium salt (9CI);Disodium 2,2'-bicinchoninate;Disodium2,2'-biquinoline-4,4'-dicarboxylate;Disodium 2,2'-dicinchonate;Disodiumbicinchoninate;(2,2'-Biquinoline)-4,4'-dicarboxylic acid, sodium salt (1:2);