<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31343417</termId><termName>arsenide</termName><termType>PT</termType><termNote><![CDATA[ A primary combination of arsenic with another element, for example hydrogen or a metal, or an organic radical. ]]></termNote><termCreatedDate>2026-03-30 20:32:37</termCreatedDate><relation><relationType>BT</relationType><termId>31319736</termId><termName>compounds</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31373618</termId><termName>arsenical copper</termName><termType>PT</termType></relation></term>  </Zthes>