<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31344093</termId><termName>dimethyl sulfoxide</termName><termType>PT</termType><termNote><![CDATA[ A byproduct of the sulfate pulping paper making process, dimethyl sulfoxide is a compound used as a solvent and a methylating agent. It is also used medicinally as an anti-inflammatory agent. ]]></termNote><termCreatedDate>2026-03-30 20:32:47</termCreatedDate><relation><relationType>UF</relationType><termId>31344094</termId><termName>DMSO</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31344095</termId><termName>dimethyl sulphoxide</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31344096</termId><termName>dimethylsulfoxide</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31344097</termId><termName>sulfoxide, dimethyl</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31320069</termId><termName>solvent by composition or origin</termName><termType>PT</termType></relation></term>  </Zthes>