http://qiserver.ugr.es/cod/1513977.cif
http://qiserver.ugr.es/cod/1525553.cif
http://qiserver.ugr.es/cod/1525896.cif
http://qiserver.ugr.es/cod/1525897.cif
http://qiserver.ugr.es/cod/1526189.cif
http://qiserver.ugr.es/cod/1526465.cif
http://qiserver.ugr.es/cod/1526797.cif
http://qiserver.ugr.es/cod/1541286.cif