83249-53-0 EINECS 280-323-3 Methanesulfonamide, N-(2-((2-bromo-6-cyano-4-methylphenyl)azo)-5-(diethylamino)phenyl)- N-(2-((2-Bromo-6-cyano-p-tolyl)azo)-5-(diethylamino)phenyl)methanesulphonamide