2,7-Naphthalenedisulfonic acid, 3,3'-[(3,3'-dimethyl-4,4'-biphenylylene)bis(azo)]bis(5-amino-4-hydroxy-, tetrasodium salt 2,7-Naphthalenedisulfonic acid, 3,3'-[(3,3'-dimethyl[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[5-amino-4-hydroxy-, tetrasodium salt 72-57-1 Amanil Sky Blue Amanil Sky Blue R Amidine Blue 4B Azidine Blue 3B Azirdinblau 3B Azurro Diretto 3B Bencidal Blue 3B Benzaminblau 3B Benzamine Blue Benzamine Blue 3B Benzanil Blue 3BN Benzanil Blue R Benzo Blue Benzo Blue 3B Benzo Blue 3BS Benzoblau 3B Bleu diamine Bleu diazole N 3B Bleu directe 3B Bleu trypane N Bleue diretto 3B Blue 3B Blue EMB Brasilamina Blue 3B Brasilazina Blue 3B C.I. 23850 C.I. Direct Blue 14 C.I. Direct Blue 14, tetrasodium salt Centraline Blue 3B Chloramiblau 3B Chloramine Blue