<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31320564</termId><termName>organometallic compound</termName><termType>PT</termType><termNote><![CDATA[ A compound comprised of a metal attached directly to a carbon. ]]></termNote><termCreatedDate>2026-03-30 20:26:24</termCreatedDate><relation><relationType>UF</relationType><termId>31320565</termId><termName>compound, organometallic</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31320566</termId><termName>metallo-organic compound</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31320567</termId><termName>metallorganic</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31320568</termId><termName>metalorganic compound</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31320569</termId><termName>organometallic</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31320570</termId><termName>organometallic material</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31320571</termId><termName>organometalloid</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31306144</termId><termName>combination inorganic/organic material</termName><termType>PT</termType></relation></term>  </Zthes>