1,5-Naphthalenedisulfonic acid, 3-((4-((4-((4-amino-5-methoxy-2-methylphenyl)azo)-6(or 7)-sulfo-1-naphthalenyl)azo)-1-naphthalenyl)azo)-, trisodium salt 8002-95-7 8006-05-1 Benzanil Diazo Blue RER C.I. 34010 C.I. Direct Blue 126 (8CI) Direct Diazo Lightfast Blue K Direct Diazol Fast Blue EINECS 232-342-3 NSC 47769 Phenazo Blue sodium Trisodium 3-((4-((4-((4-amino-5-methoxy-o-tolyl)azo)-6(or 7)-sulphonato-1-naphthyl)azo)-1-naphthyl)azo)naphthalene-1,5-disulphonate