http://qiserver.ugr.es/cod/1000432.cif
http://qiserver.ugr.es/cod/1000433.cif
http://qiserver.ugr.es/cod/1000434.cif
http://qiserver.ugr.es/cod/1001252.cif
http://qiserver.ugr.es/cod/1001845.cif
http://qiserver.ugr.es/cod/1007093.cif
http://qiserver.ugr.es/cod/1008209.cif
http://qiserver.ugr.es/cod/1523231.cif