Beyond HTML

Extract from example:

<subject>
  <manufacturedProduct>
    <manufacturedLabeledDrug>
      <name>Xalatan</name>
      <formCode code="TBD"
       displayName="ophthalmic solution"
       codeSystem="1.2.3.4" codeSystemName="FDA"/>
      <activeIngredient>
        <quantity>
          <numerator value="50" unit="micrograms"/>
          <denominator value="1" unit="mL"/>
        </quantity>
        <activeIngredientIngredientEntity>
          <code code="TBD" codeSystem="1.2.3.4"
           codeSystemName="FDA"/>
          <name>latanoprost</name>
          <activeMoiety>
            <activeMoiety>
              <code code="TBD" codeSystem="1.2.3.4"
               codeSystemName="FDA"/>
              <name>latanoprost</name>
            </activeMoiety>
          </activeMoiety>
        </activeIngredientIngredientEntity>
      </activeIngredient>
      <playedDrugWithGeneric>
        <genericGenericDrug>
          <code code="TBD"
           codeSystem="2.16.840.1.113883.5.1060"
           codeSystemName="EntityCode"/>
          <name>latanoprost</name>
        </genericGenericDrug>
      </playedDrugWithGeneric>
      <inactiveIngredient>
        <inactiveIngredientIngredientEntity>
          <code code="TBD"
           codeSystem="1.2.3.4"
           codeSystemName="FDA"/>
          <name>benzalkonium chloride</name>
        </inactiveIngredientIngredientEntity>
      </inactiveIngredient>
    ...
    </manufacturedLabeledDrug>
    <consumedIn>
      <substanceAdministration>
        <routeCode code="OPHTHALTA"
         codeSystem="2.16.840.1.113883.5.112"
         codeSystemName="RouteOfAdministration"
         displayName="Ophthalmic"/>
      </substanceAdministration>
    </consumedIn>
  </manufacturedProduct>
</subject>