((2-Methoxyphenyl)amino)methanesulfonic acid ((2-Methoxyphenyl)amino)methanesulphonic acid 93-13-0 EINECS 202-220-4 HSDB 5282 Methanesulfonic acid, ((2-methoxyphenyl)amino)- Methanesulfonic acid, o-anisidino- Methanesulfonic acid, o-anisidino- (8CI) NSC 7549 O-ANISIDYL-N-METHANESULFONIC ACI O-Anisidyl-N-methanesulfonic acid o-Anisidinomethanesulfonic acid