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	mads.xsd"><authority><topic authority="http://vocabularios.saij.gob.ar/vuce/">Etano; n-butano e isobutano; n-pentano, isopentano y neopentano</topic></authority><related type="narrower"><topic>n-Pentano</topic></related><related type="narrower"><topic>Isobutano</topic></related><related type="narrower"><topic>Etano</topic></related><related type="narrower"><topic>n-Butano</topic></related><related type="narrower"><topic>Isopentano; neopentano</topic></related><related type="broader"><topic>- Saturados</topic></related></mads>