<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31343268</termId><termName>mercuric chloride</termName><termType>PT</termType><termNote><![CDATA[ White, crystalline compound formerly used extensively as wood preservative, antiseptic and disinfectant, insecticide, and, in archival conservation, a fungicide for paper and books. Due to its toxicity mercuric chloride's use is now restricted in the U.S. ]]></termNote><termCreatedDate>2026-03-30 20:32:35</termCreatedDate><relation><relationType>UF</relationType><termId>31343269</termId><termName>chloride, mercuric</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31343270</termId><termName>corrosive sublimate</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31343271</termId><termName>mercury bichloride</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31343272</termId><termName>mercury chloride</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31343273</termId><termName>mercury perchloride</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31319736</termId><termName>compounds</termName><termType>PT</termType></relation></term>  </Zthes>