36539-81-8 NSC 293939 Zinc bis(dithizonate) Zinc dithiazonate Zinc dithizonate Zinc, bis((phenylazo)thioformic acid 2-phenylhydrazidato)- (8CI) Zinc, bis(phenyldiazenecarbothioic acid 2-phenylhydrazidato)-, (T-4)- (9CI)