http://qiserver.ugr.es/cod/1522774.cif
http://qiserver.ugr.es/cod/1522775.cif
http://qiserver.ugr.es/cod/1522776.cif
http://qiserver.ugr.es/cod/1524175.cif
http://qiserver.ugr.es/cod/1525137.cif
http://qiserver.ugr.es/cod/1537707.cif
http://qiserver.ugr.es/cod/1538163.cif
http://qiserver.ugr.es/cod/1538166.cif
http://qiserver.ugr.es/cod/1539021.cif