<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31320343</termId><termName>adipic acid</termName><termType>PT</termType><termNote><![CDATA[ Adipic acid is a crystalline carboxylic acid used in the production of nylon and polyurethane. ]]></termNote><termCreatedDate>2026-03-30 20:26:20</termCreatedDate><relation><relationType>UF</relationType><termId>31320344</termId><termName>acid, adipic</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31320345</termId><termName>adipinic acid</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31320346</termId><termName>hexanedioic acid</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31306060</termId><termName>acid</termName><termType>PT</termType></relation></term>  </Zthes>