Datensatz als E-Mail versenden: [(Pyridine-2,6-dicarboxyl­ato)copper(II)]-μ-(pyridine-2,6-dicarboxyl­ato)-[bis­(ethyl­enediamine)­copper(II)]-μ-(pyridine-2,6-dicarboxyl­ato)-[(pyridine-2,6-dicarboxyl­ato)copper(II)] ethyl­enediamine monosolvate tetra­hydrate