<i>catena</i>-Poly[triethylammonium [[tetra-μ-acetato-κ<sup>8</sup><i>O</i>:<i>O</i>′-dicuprate(II)]-μ-acetato-κ<sup>2</sup><i>O</i>:<i>O</i>′] tetrahydrofuran monosolvate]
Acta crystallographica. Section E