1-Amino-4-((4-((4,6-dichloro-1,3,5-triazin-2-yl)amino)-3-sulfophenyl)amino)-9,10-dihydro-9,10-dioxo-2-anthracenesulfonic acid disodium salt 16266-52-7 2-Anthracenesulfonic acid, 1-amino-4-((4-((4,6-dichloro-1,3,5-triazin-2-yl)amino)-3-sulfophenyl)amino)-9,10-dihydro-9,10-dioxo-, disodium salt