1-Methyl-2-(3-(1-methylnaphtho(1,2-d)thiazol-2(1H)-ylidene)-2-phenyl-1-propenyl)naphtho(1,2-d)thiazolium toluene-p-sulphonate 63665-81-6 EINECS 264-394-8 Naphtho(1,2-d)thiazolium, 1-methyl-2-(3-(1-methylnaphtho(1,2-d)thiazol-2(1H)-ylidene)-2-phenyl-1-propenyl)-, salt with 4-methylbenzenesulfonic acid (1:1)