<xsd:element name="formulaComponent" minOccurs="0" maxOccurs="unbounded">
    <xsd:annotation>
        <xsd:documentation xml:lang="en">Elements describing the components of the formula. The name attribute points to a value used in the math element. The href attribute points to a value elsewhere in the document</xsd:documentation>
    </xsd:annotation>
    <xsd:complexType>
        <xsd:sequence>
            <xsd:element name="componentDescription" type="xsd:string">
                <xsd:annotation>
                    <xsd:documentation xml:lang="en">Text description of the component</xsd:documentation>
                </xsd:annotation>
            </xsd:element>
            <xsd:element name="formula" type="Formula" minOccurs="0">
                <xsd:annotation>
                    <xsd:documentation xml:lang="en">Additional formulas required to describe this component</xsd:documentation>
                </xsd:annotation>
            </xsd:element>
        </xsd:sequence>
        <xsd:attribute name="name" type="xsd:normalizedString" />
        <xsd:attribute name="href" type="xsd:IDREF" />
    </xsd:complexType>
</xsd:element>