129719-60-4 3-Hydroxy-1-p-sulfonatophenyl-3-phenyltriazene Cu (II) complex Bis(4-(3-hydroxy-3-phenyl-1-triazenyl)benzenesulfonato(2-))cuprate (2-) dihydrogen Copper (II) 3-hydroxy-1-(4-phenylsulfonic acid)-3-phenyltriazene Cu(II) 3-Hstp Cuprate (2-), bis(4-(3-hydroxy-3-phenyl-1-triazenyl)benzenesulfonato(2-))-, dihydrogen