http://qiserver.ugr.es/cod/1510630.cif
http://qiserver.ugr.es/cod/1511180.cif
http://qiserver.ugr.es/cod/1511605.cif
http://qiserver.ugr.es/cod/1511606.cif
http://qiserver.ugr.es/cod/1523913.cif
http://qiserver.ugr.es/cod/1524705.cif
http://qiserver.ugr.es/cod/1528018.cif
http://qiserver.ugr.es/cod/1541953.cif