(3-Methylphenyl)aminomethanesulfonic acid, sodium salt 188264-45-1 6274-20-0 EINECS 228-467-8 Methanesulfonic acid, ((3-methylphenyl)amino)-, monosodium salt Methanesulfonic acid, m-toluidino-, monosodium salt NSC 36993 Sodium m-toluidinomethanesulphonate