<?xml version="1.0" encoding="utf-8"?>
<cml xmlns="http://www.chemaxon.com" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.chemaxon.com http://www.chemaxon.com/marvin/schema/mrvSchema_20_20_0.xsd"><MDocument><MChemicalStruct><molecule molID="m1"><atomArray><atom id="a1" elementType="N" x2="-15.5" y2="5.15929"/><atom id="a2" elementType="C" x2="-16.25" y2="6.45833"/><atom id="a3" elementType="O" x2="-15.5" y2="7.75737" formalCharge="-1"/><atom id="a4" elementType="C" x2="-17.75" y2="6.45833"/><atom id="a5" elementType="C" x2="-18.5" y2="5.15929" radical="divalent"/><atom id="a6" elementType="C" x2="-20" y2="5.15929" radical="divalent"/><atom id="a7" elementType="C" x2="-20.75" y2="6.45833" radical="monovalent" isotope="13"/><atom id="a8" elementType="C" x2="-20" y2="7.75737" radical="trivalent4"/></atomArray><bondArray><bond id="b1" atomRefs2="a2 a1" order="1"/><bond id="b2" atomRefs2="a2 a3" order="1"/><bond id="b3" atomRefs2="a2 a4" order="1"/><bond id="b4" atomRefs2="a4 a5" order="1"/><bond id="b5" atomRefs2="a5 a6" order="1"/><bond id="b6" atomRefs2="a6 a7" order="1"/><bond id="b7" atomRefs2="a7 a8" order="1"/></bondArray></molecule></MChemicalStruct></MDocument></cml>