63270-28-0 Benzenesulfonic acid, 3-hydroxy-2-(2-hydroxy-4-methoxysulfobenzoyl)-5-methoxy-, disodium salt Disodium 3-hydroxy-2-(2-hydroxy-4-methoxysulphonatobenzoyl)-5-methoxybenzenesulphonate EINECS 264-062-2