<Residues>
 <Residue name="co2">
  <Bond from="C" to="O1"/>
  <Bond from="C" to="O2"/>
 </Residue>
 <Residue name="wat">
  <Bond from="OH2" to="H1"/>
  <Bond from="OH2" to="H2"/>
 </Residue>
 <Residue name="eth">
  <Bond from="C1" to="C5"/>
  <Bond from="C1" to="H2"/>
  <Bond from="C1" to="H3"/>
  <Bond from="C1" to="H4"/>
  <Bond from="C5" to="H6"/>
  <Bond from="C5" to="H7"/>
  <Bond from="C5" to="H8"/>
 </Residue>
</Residues>
