<abstract abstract-type="toc"> <title> <x xml:space="preserve">Abstract</x> </title> <p> <graphic position="anchor" id="ga" xlink:href="ark:/27927/pgks6rmgsz" xlink:type="simple" xmlns:xlink="http://www.w3.org/1999/xlink" />A novel NIR fluorescent probe (DCM-B2) based on dicyanomethylene-4<italic>H</italic>-pyran was synthesized for the detection of H<sub>2</sub>O<sub>2</sub>.</p> </abstract>