<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31319912</termId><termName>hydrogen peroxide</termName><termType>PT</termType><termNote><![CDATA[ A colorless, unstable liquid prepared in an aqueous solution for commercial use, employed as a sterilizing, oxidizing and bleaching agent. ]]></termNote><termCreatedDate>2026-03-30 20:26:13</termCreatedDate><relation><relationType>UF</relationType><termId>31319913</termId><termName>hydroperoxide</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31319914</termId><termName>peroxide</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31319915</termId><termName>peroxide, hydrogen</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31305866</termId><termName>bleach</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31343846</termId><termName>vaporized hydrogen peroxide</termName><termType>PT</termType></relation></term>  </Zthes>