4,5-二羥基-3,6-雙[(2-磺基苯基)偶氮]-2,7-萘二磺酸;偶氮磺III;雙(苯磺酸偶氮)變色酸;偶氮磺III四鈉鹽;偶氮磺III四鈉鹽:變色酸鈉
7-Naphthalenedisulfonicacid,4,5-dihydroxy-3,6-bis[(2-sulfophenyl)azo]-2;SULFONAZO 3;SULFONAZO III;2,7-BIS(O-SULFOPHENYLAZO)-CHROMOTROPIC ACID, NA;3,6-BIS(O-SULFOPHENYLAZO)-4,5-DIHYDROXY-2,7-NAPHTHALENEDISULFONIC ACID;LABOTEST-BB LT00847610;3,6-bis(o-sulphophenylazo)-4,5-dihydroxynaphthalene-2,7-disulphonic acid;SULFONAZO III SODIUM