2,7-Naphthalenedisulfonic acid, 3,3'-[(3,3'-dimethoxy-4,4'-biphenylylene)bis(azo)]bis[5-amino-4-hydroxy-, tetrasodium salt 2,7-Naphthalenedisulfonic acid, 3,3'-[(3,3'-dimethoxy[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[5-amino-4-hydroxy-, tetrasodium salt 2429-74-5 Airedale Blue D Aizen Direct Sky Blue 5BH Amanil Sky Blue Atlantic Sky Blue A Atul Direct Sky Blue Azine Sky Blue 5B Belamine Sky Blue A Benzanil Sky Blue Benzo Sky Blue A-CF Benzo Sky Blue S C.I. 24400 C.I. Direct Blue 15 C.I. Direct Blue 15, Tetrasodium Salt Cartalsol Blue 2GF Cartasol Blue 2GF Chloramine Sky Blue 4B Chloramine Sky Blue A Chrome Leather Pure Blue Cresotine Pure Blue Diacotton Sky Blue 5B Diamine Sky Blue Diamine Sky Blue CI Diaphtamine Pure Blue Diazol Pure Blue