Synonyms: 3-methyl-2-[5-(3-methyl-3H-benzoxazol-2-ylidene)penta-1,3-dienyl]benzoxazolium p-toluenesulphonate;Benzoxazolium, 3-methyl-2-(5-(3-methyl-2(3H)-benzoxazolylidene)-1,3-pentadien-1-yl)-, 4-methylbenzenesulfonate (1:1);Benzoxazolium, 3-methyl-2-(5-(3-methyl-2(3H)-benzoxazolylidene)-1,3-pentadienyl)-, salt with 4-methylbenzenesulfonic acid (1:1);Einecs 268-484-8