3-Methyl-2-(5-(3-methyl-3H-benzoxazol-2-ylidene)penta-1,3-dienyl)benzoxazolium p-toluenesulphonate 68109-70-6 Benzoxazolium, 3-methyl-2-(5-(3-methyl-2(3H)-benzoxazolylidene)-1,3-pentadienyl)-, salt with 4-methylbenzenesulfonic acid (1:1) EINECS 268-484-8