<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31411530</termId><termName>toluene</termName><termType>PT</termType><termNote><![CDATA[ Colorless aromatic liquid discovered by Pelletier and Walter, 1837. It is the basis of many chemical compounds in industry. Used in the synthesis of TNT, benzoic acid, saccharin, dyes, photographic chemicals, and pharmaceuticals. ]]></termNote><termCreatedDate>2026-03-30 20:50:39</termCreatedDate><relation><relationType>UF</relationType><termId>31411531</termId><termName>benzene, methyl</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31411532</termId><termName>methyl benzene</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31411533</termId><termName>toluol</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31374288</termId><termName>aromatic hydrocarbon</termName><termType>PT</termType></relation></term>  </Zthes>