<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>14102021</termId><termName>acetona</termName><termType>PT</termType><termNote><![CDATA[ Líquido incoloro, volátil y extremadamente inflamable, mezclable con agua.
 ]]></termNote><termCreatedDate>2026-03-30 20:50:39</termCreatedDate><relation><relationType>BT</relationType><termId>14085425</termId><termName>cetona</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>14113821</termId><termName>metilacetona</termName><termType>PT</termType></relation></term>  </Zthes>