814-91-5 Copper oxalate Copper oxalate(CuC2O4) Copper(II) oxalate Cupric oxalate Cupric oxalate (1:1) Ethanedioic acid, copper(2+) salt (1:1) NSC86015 Oxalic acid copper(2+) salt (1:1) Oxalic acid, copper(2+) salt (1:1)