2,7-Naphthalenedisulfonic acid, 5-(4-amino-6-(phenylamino)-1,3,5-triazin-2-yl)-4-hydroxy-3-((sulfophenyl)azo)-, trisodium salt 5-(4-Amino-6-(phenylamino)-1,3,5-triazin-2-yl)-4-hydroxy-3-((sulfophenyl)azo)-2,7-naphthalenedisulfonic acid trisodium salt 78705-07-4