Bis(μ-pyridazine-3-carboxylato-κ<sup>2</sup><i>O</i>:<i>O</i>′)bis[aquadioxido(pyridazine-3-carboxylato-κ<sup>2</sup><i>N</i><sup>2</sup>,<i>O</i>)uranium(VI)] dihydrate
Acta crystallographica. Section E