1-(1-Isothiazol-3-yl-1-methyl)methylenethiosemicarbazide 3-Isothiazolyl methyl ketone thiosemicarbazone 3683-61-2 BRN 4791319 KETONE, 3-ISOTHIAZOLYL METHYL, THIOSEMICARBAZONE Thiosemicarbazide, 1-(1-isothiazol-3-yl-1-methyl)methylene-