http://qiserver.ugr.es/cod/1522603.cif
http://qiserver.ugr.es/cod/1522604.cif
http://qiserver.ugr.es/cod/1522605.cif
http://qiserver.ugr.es/cod/1522606.cif
http://qiserver.ugr.es/cod/1525000.cif
http://qiserver.ugr.es/cod/1525001.cif