62698-56-0 Benzoic acid, 2-(2,7-bis((bis(carboxymethyl)amino)methyl)-6-hydroxy-3-oxo-3H-xanthen-9-yl)-, tetrasodium salt EINECS 263-702-8 Tetrasodium 2-(2,7-bis((bis(carboxylatomethyl)amino)methyl)-6-hydroxy-3-oxo-3H-xanthen-9-yl)benzoate