1-(1-Isothiazol-5-yl-1-methyl)methylenethiosemicarbazide 3683-60-1 5-Isothiazolyl methyl ketone thiosemicarbazone BRN 0518044 KETONE, 5-ISOTHIAZOLYL METHYL, THIOSEMICARBAZONE Thiosemicarbazide, 1-(1-isothiazol-5-yl-1-methyl)methylene-