Synonyms: 3-[[4-[benzylmethylamino]phenyl]azo]-1,4-dimethyl-1H-1,2,4-triazolium methyl sulphate;1H-1,2,4-Triazolium, 1,4-dimethyl-3-4-methyl(phenylmethyl)aminophenylazo-, methyl sulfate;1H-1,2,4-Triazolium, 1,4-dimethyl-3[[4-[methyl (phenylmethyl)amino]phenyl]azo]-, methyl sulphate