http://qiserver.ugr.es/cod/1526092.cif
http://qiserver.ugr.es/cod/1526094.cif
http://qiserver.ugr.es/cod/1526096.cif
http://qiserver.ugr.es/cod/1526097.cif
http://qiserver.ugr.es/cod/1526099.cif
http://qiserver.ugr.es/cod/1526198.cif
http://qiserver.ugr.es/cod/1526606.cif