1-Isothiazol-5-ylmethylenethiosemicarbazide 3683-56-5 BRN 0514747 Hydrazinecarbothioamide, 2-(5-isothiazolylmethylene)- (9CI) ISOTHIAZOLE-5-CARBOXALDEHYDE, THIOSEMICARBAZONE NSC 185047 Thiosemicarbazide, 1-isothiazol-5-ylmethylene-