<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31373476</termId><termName>methyl methacrylate</termName><termType>PT</termType><termNote><![CDATA[ An ester of methacrylic acid, methyl methacrylate is a monomer used for the production of polymethyl methacrylate resins. ]]></termNote><termCreatedDate>2026-03-30 20:40:43</termCreatedDate><relation><relationType>UF</relationType><termId>31373477</termId><termName>MMA</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31373478</termId><termName>methylacrylate, methyl</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31343233</termId><termName>monomers</termName><termType>PT</termType></relation></term>  </Zthes>