1-(4-Chloro-5-isothiazolyl)methylenethiosemicarbazide 3683-65-6 4-Chloroisothiazole-5-carboxaldehyde thiosemicarbazone BRN 0521335 ISOTHIAZOLE-5-CARBOXALDEHYDE, 4-CHLORO-, THIOSEMICARBAZONE Thiosemicarbazide, 1-(4-chloro-5-isothiazolyl)methylene-