Citation: Greve, Jan; N\"ather, Christian (2002). Poly[[diaqua(\m~4~-squarato-O,O',O'',O''')nickel(II)] 0.71-hydrate]. Acta Crystallographica Section E, 58, pp. m653-m655.
Formula: C4 H4 Ni O6.71
Chemical name:Poly[[diaqua(\m~4~-squarato-O,O',O'',O''')nickel(II)] 0.71-hydrate]