http://qiserver.ugr.es/cod/1564329.cif
http://qiserver.ugr.es/cod/1564330.cif
http://qiserver.ugr.es/cod/1564392.cif
http://qiserver.ugr.es/cod/1564936.cif
http://qiserver.ugr.es/cod/1565406.cif