1-(4-Bromo-3-isothiazolyl)methylenethiosemicarbazide 3683-68-9 4-Bromo-3-isothiazolyl methyl ketone thiosemicarbazone BRN 4791557 KETONE, 4-BROMO-3-ISOTHIAZOLYL METHYL, THIOSEMICARBAZONE Thiosemicarbazide, 1-(4-bromo-3-isothiazolyl)methylene-