<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>14085430</termId><termName>heptano</termName><termType>PT</termType><termNote><![CDATA[ Hidrocarburo constituyente de la gasolina. ]]></termNote><termCreatedDate>2026-03-30 20:40:56</termCreatedDate><relation><relationType>BT</relationType><termId>14072081</termId><termName>solventes de hidrocarburo</termName><termType>PT</termType></relation></term>  </Zthes>