<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31437198</termId><termName>nigrosine</termName><termType>PT</termType><termNote><![CDATA[ A class of dark blue and black dyes made by the oxidation of aniline, used dying textiles, wood, leather, fur, inks, shoe polishes, and paints. ]]></termNote><termCreatedDate>2026-03-30 20:57:53</termCreatedDate><relation><relationType>UF</relationType><termId>31437199</termId><termName>nigrosin</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31410953</termId><termName>aniline dye</termName><termType>PT</termType></relation></term>  </Zthes>