Bis(2-aminobenzothiazol-3-ium) bis(7-oxabicyclo[2.2.1]heptane-2,3-dicarboxylato-κ<sup>3</sup><i>O</i><sup>2</sup>,<i>O</i><sup>3</sup>,<i>O</i><sup>7</sup>)nickelate(II) hexahydrate
Acta crystallographica. Section E