82799-31-3 EINECS 280-031-6 Hexasodium 2,2'-(vinylenebis((3-sulphonato-4,1-phenylene)imino(6-((2-cyanoethyl)(phenylmethyl)amino)-1,3,5-triazine-4,2-diyl)imino))bis(benzene-1,4-disulphonate)