http://qiserver.ugr.es/cod/1524644.cif
http://qiserver.ugr.es/cod/1524645.cif
http://qiserver.ugr.es/cod/1524646.cif
http://qiserver.ugr.es/cod/1524647.cif
http://qiserver.ugr.es/cod/1524680.cif
http://qiserver.ugr.es/cod/1524681.cif
http://qiserver.ugr.es/cod/1525389.cif