document.write("<a href='javascript:void(0)' onclick='window.open(\"https://chemapps.stolaf.edu/jmol/jmol.php?source=https://static.molinstincts.com/sdf_3d/cholesterol-3D-structure-CT1001897301.sdf&width=100%&height=100%\",\"\",\"width=600,height=600,scrollbars=no\")'>3D structures</a>");