<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31319937</termId><termName>sodium borohydride</termName><termType>PT</termType><termNote><![CDATA[ A white crystalline solid, usually encountered as a powder, used as a bleach for wood pulp, and as a versatile reducing agent which converts ketones and aldehydes to the related alcohols. ]]></termNote><termCreatedDate>2026-03-30 20:26:13</termCreatedDate><relation><relationType>UF</relationType><termId>31319938</termId><termName>borohydride, sodium</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31319939</termId><termName>sodium tetrahydridoborate</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31343447</termId><termName>sodium compounds</termName><termType>PT</termType></relation><relation><relationType>BT</relationType><termId>31305866</termId><termName>bleach</termName><termType>PT</termType></relation></term>  </Zthes>