<abstract abstract-type="toc"> <title> <x xml:space="preserve">Abstract</x> </title> <p> <graphic position="anchor" id="ga" xlink:href="ark:/27927/pgjjh0cn5h" xlink:type="simple" xmlns:xlink="http://www.w3.org/1999/xlink" />Risperidone is a widely used antipsychotic drug for the treatment of schizophrenia and bipolar disorder.</p> </abstract>