85536-80-7 EINECS 287-566-4 Tetrasodium 2-((1-ethyl-1,6-dihydro-2-hydroxy-4-methyl-6-oxo-5-(sulphonatomethyl)-3-pyridyl)azo)-5-((4-fluoro-6-((3-sulphonatophenyl)amino)-1,3,5-triazin-2-yl)amino)benzene-1,4-disulphonate