3-Ethyl-5-methoxy-2-methylbenzothiazolium p-toluenesulfonate 3-Ethyl-5-methoxy-2-methylbenzothiazolium p-toluenesulphonate 42379-68-0 Benzothiazolium, 3-ethyl-5-methoxy-2-methyl-, salt with 4-methylbenzenesulfonic acid (1:1) EINECS 255-788-0