1-(3-Methyl-5-isothiazolyl)methylenethiosemicarbazide 3-Methylisothiazole-5-carboxaldehyde thiosemicarbazone 3683-58-7 BRN 1212358 ISOTHIAZOLE-5-CARBOXALDEHYDE, 3-METHYL-, THIOSEMICARBAZONE Thiosemicarbazide, 1-(3-methyl-5-isothiazolyl)methylene-