Synonyms: [2-[ethyl[3-methyl-4-[(3-phenyl-1,2,4-thiadiazol-5-yl)azo]phenyl]amino]ethyl]trimethylammonium methyl sulphate;2-[Ethyl[3-methyl-4-[(3-phenyl-1,2,4-thiadiazol-5-yl)azo]phenyl]amino]-N,N,N-trimethylethanaminium methyl sulfate;Ethanaminium, 2-[ethyl[3-methyl-4-[(3-phenyl-1,2,4-thiadiazol-5-yl)azo]phenyl] amino]-N,N,N-trimethyl-, methyl sulfate