http://qiserver.ugr.es/cod/1505000.cif
http://qiserver.ugr.es/cod/1505001.cif
http://qiserver.ugr.es/cod/1505002.cif
http://qiserver.ugr.es/cod/1505003.cif
http://qiserver.ugr.es/cod/1505004.cif