http://qiserver.ugr.es/cod/1525589.cif
http://qiserver.ugr.es/cod/1526566.cif
http://qiserver.ugr.es/cod/1526773.cif
http://qiserver.ugr.es/cod/1526775.cif
http://qiserver.ugr.es/cod/1526776.cif
http://qiserver.ugr.es/cod/1526778.cif
http://qiserver.ugr.es/cod/1526780.cif
http://qiserver.ugr.es/cod/1526782.cif