http://qiserver.ugr.es/cod/1509723.cif
http://qiserver.ugr.es/cod/1522891.cif
http://qiserver.ugr.es/cod/1522892.cif
http://qiserver.ugr.es/cod/1523993.cif
http://qiserver.ugr.es/cod/1524966.cif
http://qiserver.ugr.es/cod/1525031.cif
http://qiserver.ugr.es/cod/1525263.cif
http://qiserver.ugr.es/cod/1539369.cif
http://qiserver.ugr.es/cod/1539370.cif