<?xml version="1.0" encoding="utf-8"?><mads xmlns="http://www.loc.gov/mads/" xmlns:mods="http://www.loc.gov/mods/v3" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.loc.gov/mads/
	mads.xsd"><authority><topic authority="http://www.serbi.ula.ve/tematres/vocab/">PRODUCTOS QUÍMICOS</topic></authority><related type="narrower"><topic>ÁCIDOS</topic></related><related type="narrower"><topic>AGENTES ESTABILIZADORES</topic></related><related type="narrower"><topic>AGENTES SECANTES</topic></related><related type="narrower"><topic>BIOMIMÉTICA</topic></related><related type="narrower"><topic>COMPUESTOS BIOACTIVOS</topic></related><related type="narrower"><topic>COMPUESTOS CICLICOS</topic></related><related type="narrower"><topic>COMPUESTOS INORGANICOS</topic></related><related type="narrower"><topic>CONTAMINANTES</topic></related><related type="narrower"><topic>FERTILIZANTES</topic></related><related type="narrower"><topic>REPELENTES</topic></related><variant type="other"><topic>Química--Productos</topic></variant></mads>