<xs:simpleType name="AmountOfSubstanceUom">
  <xs:restriction base="eml:UomEnum">
    <xs:enumeration value="kmol">
      <xs:annotation>
        <xs:documentation>kilogram-mole</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
    <xs:enumeration value="lbmol">
      <xs:annotation>
        <xs:documentation>pound-mass-mole</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
    <xs:enumeration value="mmol">
      <xs:annotation>
        <xs:documentation>milligram-mole</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
    <xs:enumeration value="mol">
      <xs:annotation>
        <xs:documentation>gram-mole</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
    <xs:enumeration value="umol">
      <xs:annotation>
        <xs:documentation>microgram-mole</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
  </xs:restriction>
</xs:simpleType>