68083-34-1 Ammonium alpha,4-dihydroxy-3-methoxytoluene-alpha-sulphonate Benzenemethanesulfonic acid, alpha,4-dihydroxy-3-methoxy-, monoammonium salt EINECS 268-382-3 alpha,4-Dihydroxy-3-methoxybenzenemethansulfonic acid, monoammonium salt