http://qiserver.ugr.es/cod/1544553.cif
http://qiserver.ugr.es/cod/1544776.cif
http://qiserver.ugr.es/cod/1545973.cif
http://qiserver.ugr.es/cod/1546811.cif
http://qiserver.ugr.es/cod/1546812.cif
http://qiserver.ugr.es/cod/1546813.cif
http://qiserver.ugr.es/cod/1546814.cif
http://qiserver.ugr.es/cod/1546834.cif
http://qiserver.ugr.es/cod/1546835.cif