http://qiserver.ugr.es/cod/1001569.cif
http://qiserver.ugr.es/cod/1008644.cif
http://qiserver.ugr.es/cod/1008645.cif
http://qiserver.ugr.es/cod/1008646.cif
http://qiserver.ugr.es/cod/1008647.cif
http://qiserver.ugr.es/cod/1511479.cif
http://qiserver.ugr.es/cod/1534655.cif
http://qiserver.ugr.es/cod/1534658.cif
http://qiserver.ugr.es/cod/1534906.cif