<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<ns2:elements xmlns:ns2="http://biojava.org">
    <element mass="1.00794" name="Hydrogen"/>
    <element mass="12.0107" name="Carbon"/>
    <element mass="14.0067" name="Nitrogen"/>
    <element mass="15.9994" name="Oxygen"/>
    <element mass="32.065" name="Sulfur"/>
</ns2:elements>
