2,7-Naphthalenedisulfonic acid, {5-amino-3-[[4'-[(7-amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo][1,} 1'-biphenyl\]-4-yl\]azo\]-4-hydroxy-, trisodium salt 2429-73-4 (TRISODIUM SALT) 5-Amino-3-((4'-((7-amino-1-hydroxy-3-sulfo-2-naphthyl)diazenyl)[1,1'-biphenyl]-4-yl)diazenyl)-4-hydroxy-2,7-naphthalenedisulfonic acid 5-Amino-3-((E)-{4'-[(E)-(7-amino-1-hydroxy-3-sulfo-2-naphthyl)diazenyl]-1,1'-biphenyl-4-yl}diazenyl)-4-hydroxynaphthalene-2,7-disulfonic acid- AIDS-155991 AIDS155991 Airedale Black BHD Aizen Direct Black BH Altazine Black BH Amanil Developed Black BHSW Atul Developed Black BT Azine Diazo Black BHK Azocard Blue BH Azomine Black BH Belamine Diazo Black BH Bencidal Navy Blue BH Benzanil Black BH Benzo Black Blue BH Benzo Black Blue FBH Blue BH Brasilazol Black BH C.I. Direct Blue 2, trisodium salt Calcoloid Diazo Black BHL Calcomine Diazo Black BHD Calcomine Diazo Black BTCW Chloramine Black BH Chlorazol Black BH Chlorazol Leather Black BH Chrome Leather Black BH