http://qiserver.ugr.es/cod/1524208.cif
http://qiserver.ugr.es/cod/1524209.cif
http://qiserver.ugr.es/cod/1527421.cif
http://qiserver.ugr.es/cod/1527422.cif
http://qiserver.ugr.es/cod/1527762.cif
http://qiserver.ugr.es/cod/1528350.cif
http://qiserver.ugr.es/cod/1528393.cif
http://qiserver.ugr.es/cod/1528465.cif
http://qiserver.ugr.es/cod/1537226.cif