<abstract abstract-type="main" xml:lang="en"> <title>Abstract</title> <p>The new title compound is prepared by solid state reaction of a stoichiometric mixture of PbO, MnCO<sub>3</sub>, and WO<sub>3</sub> (N<sub>2</sub> stream, 800 °C for 2 h and 820 °C for 4 h).</p> </abstract>