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mads.xsd"><authority><topic authority="http://general-terms.thesaurus.ekt.gr/vocab">organic compounds</topic></authority><related type="narrower"><topic>acyclic compounds</topic></related><related type="narrower"><topic>alcohols</topic></related><related type="narrower"><topic>aldehydes</topic></related><related type="narrower"><topic>amino acids</topic></related><related type="narrower"><topic>bisaccharides</topic></related><related type="narrower"><topic>carboxylic acids</topic></related><related type="narrower"><topic>cyclic compounds</topic></related><related type="narrower"><topic>ethers</topic></related><related type="narrower"><topic>hydrocarbons</topic></related><related type="narrower"><topic>ketones</topic></related><related type="narrower"><topic>lipids</topic></related><related type="narrower"><topic>monosaccharides</topic></related><related type="narrower"><topic>nucleic acids</topic></related><related type="narrower"><topic>oligosaccharides</topic></related><related type="narrower"><topic>peptides</topic></related><related type="narrower"><topic>phenols</topic></related><related type="narrower"><topic>polysaccharides</topic></related><related type="narrower"><topic>proteins</topic></related><related type="other"><topic>biochemistry</topic></related><related type="broader"><topic>chemical compounds</topic></related></mads>