http://qiserver.ugr.es/cod/1510133.cif
http://qiserver.ugr.es/cod/1522632.cif
http://qiserver.ugr.es/cod/1524589.cif
http://qiserver.ugr.es/cod/1525171.cif
http://qiserver.ugr.es/cod/1538624.cif
http://qiserver.ugr.es/cod/1538627.cif
http://qiserver.ugr.es/cod/1539041.cif