<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31343381</termId><termName>tetrabutylammonium bromide</termName><termType>PT</termType><termNote><![CDATA[ Inorganic compound applied as a metal-specific nonaqueous antioxidant treatment to stabilize iron gall ink.  ]]></termNote><termCreatedDate>2026-03-30 20:32:36</termCreatedDate><relation><relationType>UF</relationType><termId>31343382</termId><termName>TBAB</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31343383</termId><termName>bromide, tetrabutylammonium</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31319736</termId><termName>compounds</termName><termType>PT</termType></relation><relation><relationType>BT</relationType><termId>31319810</termId><termName>antioxidant</termName><termType>PT</termType></relation></term>  </Zthes>