Synonyms: Copper,bis(dithizonato)- (6CI); Copper, bis(phenyldiazenecarbothioic acid2-phenylhydrazidato)-, (SP-4-1)-; Copper, bis[(phenylazo)thioformic acid2-phenylhydrazidato]- (7CI,8CI); Copper, bis[(phenyldiazenecarbothioic acid-kS) 2-phenylhydrazidato-kN2]-, (SP-4-1)- (9CI);Diazenecarbothioic acid, phenyl-, 2-phenylhydrazide, copper complex; Copperbis(dithizonate); Copper dithizonate; Copper hydrogen dithizonate; NSC 293938