http://qiserver.ugr.es/cod/1522286.cif
http://qiserver.ugr.es/cod/1522288.cif
http://qiserver.ugr.es/cod/1525114.cif
http://qiserver.ugr.es/cod/1527691.cif
http://qiserver.ugr.es/cod/1536152.cif