<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31410874</termId><termName>copper sulfite</termName><termType>PT</termType><termNote><![CDATA[ A sulfite of copper. Uses include in herbicides applied to water to kill plants, but they are toxic to fish and other water animals. ]]></termNote><termCreatedDate>2026-03-30 20:50:28</termCreatedDate><relation><relationType>UF</relationType><termId>31410875</termId><termName>copper sulphite</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31410876</termId><termName>sulfite, copper</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31373712</termId><termName>sulfite</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>31410855</termId><termName>copper sulfate</termName><termType>PT</termType></relation></term>  </Zthes>