DIRECT BLUE 8; CHLORAZOL AZURINE; BENZOAZURINE G; BENGAL BLUE G; NIAGARA BLUE G; Benzo Azurine GS; Benzoazurin G; Direct Azurine G; disodium 3,3'-{[3,3'-dimethoxy(1,1'-biphenyl)-4,4'-diyl]bis(azo)}bis(4-hydroxynaphthalene-1-sulfonate); 4,4'-dihydroxy-3,3'-(3,3'-dimethoxybiphenyl-4,4'-diyl-bis-azo)-bis-naphthalene-1-sulfonic acid disodium salt
