/usr/share/menu/xdrawchem is in xdrawchem 2.0-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 | ?package(xdrawchem):needs="X11" section="Applications/Science/Chemistry"\
title="xdrawchem" command="/usr/bin/xdrawchem"
|