17791-81-0 2,7-Naphthalenedisulfonic acid, 4,4'-(1,2-ethenediylbis((3-sulfo-4,1-phenylene)imino(6-(4-morpholinyl)-1,3,5-triazine-4,2-diyl)imino))bis(5-hydroxy-6-(phenylazo)-, hexasodium salt EINECS 241-769-4 Hexasodium 4,4'-(vinylenebis((3-sulphonato-4,1-phenylene)imino(6-morpholino-1,3,5-triazine-4,2-diyl)imino))bis(5-hydroxy-6-(phenylazo)naphthalene-2,7-disulphonate)