<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31320341</termId><termName>gallic acid</termName><termType>PT</termType><termNote><![CDATA[ Colorless crystalline acid derived from plants. It is used as in dyes and writing inks and as a tanning agent and photographic developer. ]]></termNote><termCreatedDate>2026-03-30 20:26:20</termCreatedDate><relation><relationType>UF</relationType><termId>31320342</termId><termName>acid, gallic</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31306060</termId><termName>acid</termName><termType>PT</termType></relation></term>  </Zthes>