http://qiserver.ugr.es/cod/1522401.cif
http://qiserver.ugr.es/cod/1522402.cif
http://qiserver.ugr.es/cod/1522647.cif
http://qiserver.ugr.es/cod/1522825.cif
http://qiserver.ugr.es/cod/1524572.cif
http://qiserver.ugr.es/cod/1525163.cif
http://qiserver.ugr.es/cod/1527905.cif
http://qiserver.ugr.es/cod/1541119.cif