2,7-Naphthalenedisulfonic acid, 5-((4-chloro-6-((3-((4-chloro-6-(1-methylethoxy)-1,3,5-triazin-2-yl)amino)-4-sulfophenyl)amino)-1,3,5-triazin-2-yl)amino)-4-hydroxy-3-((4-methyl-2-sulfophenyl)azo)-, tetrasodium salt 67827-65-0 EINECS 267-229-8