2-(4-carboxyquinolin-2-yl)quinoline-4-carboxylic acid 2-(4-carboxy-2-quinolyl)quinoline-4-carboxylic acid 2-(4-carboxy-2-quinolyl)-4-quinolinecarboxylic acid 2-(4-carboxy-2-quinolyl)cinchoninic acid 1245-13-2 Oprea1_680702 [2,2'-Biquinoline]-4,4'-dicarboxylic acid 4,4'-Dicarboxy-2,2'-biquinolyl [2,2']Biquinolinyl-4,4'-dicarboxylic acid BAS 00649421 2,2'-Bicinchoninic acid EU-0016756 14335_FLUKA 2,2'-Biquinoline-4,4'-dicarboxylic acid 2,2-Bicinchoninic acid (2,2'-Biquinoline)-4,4'-dicarboxylic acid 2,2'-Bicinchonic acid SBB002943 2,2'-Dicinchoninic acid 4,4'-Dicarboxy-2,2'-biquinoline Bicinchoninic acid EINECS 214-990-9 NSC 133815 NSC133815