http://qiserver.ugr.es/cod/1523023.cif
http://qiserver.ugr.es/cod/1525115.cif
http://qiserver.ugr.es/cod/1528153.cif
http://qiserver.ugr.es/cod/1529628.cif
http://qiserver.ugr.es/cod/1529959.cif
http://qiserver.ugr.es/cod/1530497.cif
http://qiserver.ugr.es/cod/1531028.cif
http://qiserver.ugr.es/cod/1539271.cif
http://qiserver.ugr.es/cod/1542058.cif