<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>28712</termId><termName>Aldehídos</termName><termType>PT</termType><termCreatedDate>2014-09-15 20:27:40</termCreatedDate><relation><relationType>BT</relationType><termId>28711</termId><termName>Compuestos orgánicos</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>28713</termId><termName>Formaldehído</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>12030</termId><termName>Alcoholes</termName><termType>PT</termType></relation></term>  </Zthes>