Cn3D
Cn3D is a helper application for your web browser that allows you to view 3-dimensional structures from NCBI's Entrez retrieval service. For more info see here http://www.ncbi.nlm.nih.gov/Structure/CN3D/cn3d.shtml
<package
id="Cn3D"
name="Cn3D 4.1"
revision="1"
priority="2">
<check type="uninstall" condition="exists" path="Cn3D 4.1"/>
<install cmd='msiexec /i c:\temp\cn3d\Cn3D_4_1.msi /passive ' />
<remove cmd='MsiExec.exe /x {9E9B6958-F339-489A-A984-520047E96921} /qn ' />
</package>