97721-74-9 Disodium 5-((4-((4-((4-((4-amino-9,10-dihydro-9,10-dioxo-3-sulphonato-1-anthryl)amino)phenyl)amino)-6-(phenylamino)-1,3,5-triazin-2-yl)amino)phenyl)azo)salicylate EINECS 307-720-7