3,4-dibromo-5-(phenylethynyl)isothiazole InChI=1/C11H5Br2NS/c12-10-9(15-14-11(10)13)7-6-8-4-2-1-3-5-8/h1-5 isothiazole, 3,4-dibromo-5-(phenylethynyl)-