<i>catena</i>-Poly[[diaqua(1,2,3-benzothiadiazole-7-carboxylato-κ<i>O</i>)copper(II)]-μ-1,2,3-benzothiadiazole-7-carboxylato-κ<sup>2</sup><i>N</i><sup>2</sup>:<i>O</i>]
Acta crystallographica. Section E